Apple Watch
The Apple Watch is a smartwatch produced by Apple Inc. It incorporates fitness tracking, health-oriented capabilities, and wireless telecommunication, and integrates with watchOS and other Apple products and services. The Apple Watch was released in April 2015,[5][6] and quickly became the best-selling wearable device: 4.2 million were sold in the second quarter of fiscal 2015,[7] and more than 115 million people were estimated to use an Apple Watch as of December 2022.[8] Apple has introduced a new generation of the Apple Watch with improved internal components each September[9]—each labeled by Apple as a 'Series', with certain exceptions.[a]
Apple Watch Series 8 in a Midnight aluminium case. | |
| Developer | Apple Inc. |
|---|---|
| Manufacturer | |
| Type | Smartwatch |
| Release date | 1st generation: April 24, 2015 Series 1 and Series 2: September 16, 2016 Series 3: September 22, 2017 Series 4: September 21, 2018 Series 5: September 20, 2019 Series 6 and SE (1st generation): September 18, 2020 Series 7: October 15, 2021 Series 8 and SE (2nd generation): September 16, 2022 Ultra: September 23, 2022 Series 9 and Ultra 2: September 22, 2023[3] |
| Units sold | 100 million (estimated, 2020)[4] |
| Operating system | watchOS |
| Backward compatibility | watchOS 1 – 3: iPhone 5 or later watchOS 4 – 5: iPhone 5S or later (GPS Only), iPhone 6 or later (GPS + Cellular) watchOS 6 – 8: iPhone 6S or later watchOS 9: iPhone 8 or later watchOS 10: iPhone XS/XR or later |
| Website | apple |
Each Series has been initially sold in multiple variants defined by the watch casing's material, color, and size (except for the budget watches Series 1 and SE, available only in aluminum,[10][13] and the Ultra, available only in 49 mm titanium[12]), and beginning with Series 3, by the option in the aluminum variants for LTE cellular connectivity, which comes standard with the other materials.[14] The band included with the watch can be selected from multiple options from Apple, and watch variants in aluminum co-branded with Nike and in stainless steel co-branded with Hermès are also offered, which include exclusive bands, colors, and digital watch faces carrying those companies' branding.[14]
The Apple Watch operates in conjunction with the user's iPhone for functions such as configuring the watch and syncing data with iPhone apps, but can separately connect to a Wi-Fi network for data-reliant purposes, including communications, app use, and audio streaming.[15][16] LTE-equipped models can also perform these functions over a mobile network, and can make and receive phone calls independently when the paired iPhone is not nearby or is powered-off, substantially reducing the need for an iPhone after initial setup.[b] The oldest iPhone model that is compatible with any given Apple Watch depends on the version of the operating system installed on each device.[19] As of September 2023[update], new Apple Watches come with watchOS 10 preinstalled and require an iPhone running iOS 17, which is compatible for the iPhone XS and later.[20]
Development edit
Apple design chief Jony Ive became interested in building a watch shortly after Steve Jobs's death in October 2011.[21] That December, The New York Times reported that Apple was exploring various ideas, including a "curved-glass iPod that would wrap around the wrist", which users would interact with through the Siri voice assistant, and which "could relay information back to the iPhone".[22] In February 2013, the NYT and The Wall Street Journal again confirmed that Apple was working on a smartwatch with a curved display,[23] and Bloomberg News said the team had grown to about 100 designers.[24]
In March 2013, Apple hired ex-Adobe chief technology officer Kevin Lynch, reporting to Bob Mansfield,[25] to lead the watch project, which would become the company's first major new product without input from late co-founder Steve Jobs.[21] Apple started the project without specific use cases in mind, not knowing what problems the watch would solve, but felt that "technology was going to move onto the body", according to Alan Dye, who was in charge of its user interface. According to Kevin Lynch, the team felt people spent too much time on their phone, nagged by notifications, and a watch would provide "that level of engagement [...] in a way that's a little more human, a little more at the moment when you're with somebody".[21]
In July 2013, Financial Times reported that Apple had begun hiring more employees to work on the smartwatch, and that it was targeting a retail release in late 2014.[26]
The software evolved more quickly than the hardware. To test it, the team created its first prototype, an iPhone strapped to the wrist with velcro, which showed the watch software in its true size and an onscreen watch crown for input. The crown was later turned into a physical dongle plugged into the headphone jack. Early on, the user interface and bundled apps were inspired by the iPhone, but they were too complex and underwent three rounds of redesigns, to avoid awkwardly long interactions that would annoy users. The team worked on notification vibrations and sounds for more than a year, attempting to make them reflect the nature of different notifications. They also added a way to show a contextual menu by pressing the display more deeply, called Force Touch. In contrast with Apple's usually narrow design options, the team thought a watch would need to appeal to users' diverse tastes in fashion, so they opted to give a choice of bands, models (like the gold-plated Apple Watch Edition) and watch faces.[21]
Unveiling and release edit
In April 2014, Apple CEO Tim Cook told The Wall Street Journal that the company was planning to launch new products that year, but revealed no specifics.[27]
In June 2014, Reuters reported that production of a smartwatch product was expected to begin in July for an October release.[28]
During a September 2014 press event where the iPhone 6 was also presented, the new watch product was introduced by Tim Cook's "one more thing" section. After a video focusing on the design process, Cook reappeared on stage wearing an Apple Watch.[29]
In comparison to other Apple products and competing smartwatches, marketing of the Apple Watch promoted the device as a fashion accessory.[30] Apple later focused on its health and fitness-oriented features, in an effort to compete with dedicated activity trackers. The watchOS 3 added fitness tracking for wheelchair users, social sharing in the Activity app, and a Breathe app to facilitate mindfulness.[31]
The device was not branded as "iWatch", which would have put it in line with its product lines such as iPod, iPhone, and iPad. In the United States, the "iWatch" trademark is owned by OMG Electronics – who was crowdfunding a device under the same name; it is owned in the European Union by Irish firm Probendi.[32] In July 2015, Probendi sued Apple Inc. for trademark infringement, arguing that through keyword advertising on the Google search engine, it caused advertising for the Apple Watch to appear on search results pages when users searched for the trademarked term "iWatch".[33]
Release edit
Pre-orders for the Apple Watch began on April 10, 2015, with the official release on April 24.[34] Initially, it was not available at the Apple Store; customers could make appointments for demonstrations and fitting, but the device was not in-stock for walk-in purchases and had to be reserved and ordered online. CNET felt that this distribution model was designed to prevent Apple Store locations from having long line-ups due to the high demand.[35][36] The first ever retail store to display the Apple Watch to the public was Colette in Paris.[37] Later on, selected models were available in limited quantities at luxury boutiques and authorized resellers.[38]
On June 4, 2015, Apple announced that it planned to stock Apple Watch models at its retail locations.[36]
On August 24, 2015, Best Buy announced that it would begin stocking Apple Watch at its retail stores by the end of September.[39] Both T-Mobile US and Sprint also announced plans to offer Apple Watch through their retail stores.[40]
In September 2015, Apple launched a new subset of Apple Watch, with a stainless steel body and leather band, in collaboration with Hermès.[41] The following year, Apple launched another subset of Apple Watches in collaboration with Nike dubbed "Apple Watch Nike+". Both subsets featured cosmetic customization, but otherwise functioned like standard Apple Watches.[42]
Apple Watch went on sale in India in November 2015.[43] The device also launched in Chile, the Philippines, Indonesia, and South Africa.[44]
Hardware edit
Design and materials edit
Each series of Apple Watch is offered in multiple variants, distinguished by the casing's material, color, and size,[45] with special bands and digital watch faces available for certain variants co-branded with Nike and Hermès, which are also sometimes accompanied by other unique extras, like stainless steel charging pucks, premium packaging, and exclusive color basic bands.[46]
Originally at launch, the Apple Watch was marketed as one of three "collections", designating the case material. In order of increasing cost, the collections were:
- Apple Watch Sport (aluminium case)
- Apple Watch (stainless-steel case)
- Apple Watch Edition (originally released as an 18kt gold casing with newer materials in later models)
Starting with Series 1/Series 2, Apple dropped the "Sport" moniker from the branding (apart from the sport bands), and the Apple Watch was available with either an aluminum (lowest cost) or stainless steel case. "Apple Watch Edition" branding still exists, but now refers to watch casings made from ceramic or titanium.[47]
Apple did not explicitly market the first-generation Apple Watch as being waterproof, stating that it can withstand splashes of water (such as rain and hand washing), but does not recommend submersion (IPX7). Apple introduced a higher level of water resistance with the release of the Apple Watch Series 2, and the device was explicitly advertised as being suitable for swimming and surfing.[48] The Series 7 also includes an IP6X certification for dust resistance.
Size edit
Since the introduction of the Apple Watch, it has been available in two sizes, primarily affecting screen resolution and area. The smaller size at launch was 38 mm (1.5 in), referring to the approximate height of the watch case; the larger size was 42 mm (1.7 in). Starting with Series 4, the two nominal sizes changed to 40 mm (1.6 in) and 44 mm (1.7 in).[49] The nominal sizes changed again with the introduction of Series 7: 41 mm (1.6 in) and 45 mm (1.8 in).
The overall shape and width of the watch has not changed significantly since its release, so customizable bands and accessories are typically compatible with any Apple Watch of the same size class. Bands that fit the smaller size class (38 mm (1.5 in), 40 mm (1.6 in), and 41 mm (1.6 in) watches) and larger size class (42 mm (1.7 in), 44 mm (1.7 in), and 45 mm (1.8 in) watches) are generally interchangeable within the class.[50] The casing of the watch includes a mechanism to allow the user to change the straps without special tools.
Input and sensors edit
For input, the Watch features a "digital crown" on one side which can be turned to scroll or zoom content on screen, and pressed to return to the home screen or display recently used apps. Next to the crown (on the same side of the watch) is the Side Button, which can be used to access Control Center and the contactless payment service Apple Pay.[51] The Watch also prominently features a touchscreen; prior to Series 6/SE, the screen included Force Touch technology, which enabled the display to become pressure-sensitive and therefore capable of distinguishing between a tap and a press for displaying contextual menus.[52] Force Touch has since been physically removed in Watch Series 6 and Watch SE,[53] and has been disabled via software on Watch Series 5 and earlier on models supporting watchOS 7.[54]
Additional sensors integrated into the Watch include an accelerometer, gyroscope, and barometer, which are used to determine device orientation, user movement, and altitude.[55] The back of all Apple Watches are equipped with a Heart Rate Monitor, which projects infrared and green light from light-emitting diodes (LEDs) onto the user's skin and photodiodes measure the varying amount of light reflected. Because blood absorbs green light and reflects red light, the amounts of each type of reflected light are compared to determine heart rate. The Watch adjusts the sampling rate and LED brightness as needed.[55] Starting with the Series 4, Apple added electrical sensors to the Digital Crown and back, allowing the Watch to take electrocardiogram (ECG) readings;[56] the device won FDA clearance in October 2018, becoming the first consumer device capable of taking an ECG.[57] A blood oxygen monitor was added with the Series 6 in 2020, albeit as a "wellness" device not capable of diagnosing a medical condition.[58] The blood oxygen monitor added red LEDs to the back, allowing the watch to determine oxygen levels by measuring blood color.[59] The Watch SE reverted to the capabilities of the Series 3, dropping the electrical sensors and blood oxygen monitor.[60]
Battery edit
Apple rates the device's battery for 18 hours of mixed usage.[52][61] Apple Watch is charged by means of inductive charging.[5] If the watch's battery depletes to less than 10 percent, the user is alerted and offered to enable Low Power Mode, which allows the user to continually use the watch while some features are disabled. The watch then reverts to its original mode when the battery is sufficiently charged.[62]
Bands edit
Apple Watch comes with an included band (strap) to attach it to the user's wrist. The proprietary band attachment mechanism allows swapping models by holding down the connectors on the bottom of the watch and sliding the band pieces out.[63] Apple produces bands in a variety of materials and colors; however, third-party bands are still compatible when using Apple's design guidelines.[64] Bands designed for the original Series 1–3 38 mm and 42 mm case sizes are compatible with the Series 4–6 40 mm and 44 mm cases, as well as the Series 7 41 mm and 45 mm cases, respectively.[65]
Starting with Apple Watch Series 5, Apple introduced the online Apple Watch Studio which allows customers to mix and match bands on purchase, eliminating the need to purchase a specific combination of case and band design, and allows for a simplification of packaging (since Apple Watch Series 4 in 2018).[66]
Models edit
Apple Watch models have been divided into five "collections": Apple Watch (1st generation-present), Apple Watch Sport (1st generation), Apple Watch Nike+ (Series 2-present), Apple Watch Hermès (1st generation-Series 5, Series 6-present), and Apple Watch Edition (1st generation only).[citation needed] They are differentiated by combinations of cases, bands, and exclusive watch faces; Apple Watch comes with either aluminum or stainless steel cases, and various watch bands (only stainless steel was offered for Apple Watch 1st generation); Apple Watch Sport came with aluminum cases and sport bands or woven nylon bands; Apple Watch Nike+ comes with aluminum cases and Nike sport bands or sport loops; Apple Watch Hermès uses stainless steel cases and Hermès leather watch bands (also included is an exclusive Hermès orange sport band); and Apple Watch Edition came with ceramic cases and various bands (the Apple Watch Edition used 18 karat yellow or rose gold).[67] With the Series 5, the Edition tier was expanded with a new titanium case.
Apple Watch Series 1 models were previously only available with aluminum cases and sport bands.[68]
As of Series 3, each Apple Watch model in aluminum, the least expensive casing, is available either with or without LTE cellular connectivity, while the models with the other casing materials available (stainless steel and sometimes ceramic and titanium) always include it.[17][69]
Each model through Series 3 comes in a 38- or 42-millimeter body, with the larger size having a slightly larger screen and battery.[52] The Series 4 was updated to 40- and 44-millimeter models, respectively. The Series 7 has been updated to 41- and 45-millimeter models. Each model has various color and band options. Featured Apple-made bands include colored sport bands, sport loop, woven nylon band, classic buckle, modern buckle, leather loop, Milanese loop, and a link bracelet.[52]
First generation edit
The 1st generation Apple Watch (colloquially referred to as Series 0) uses the single-core S1 system-on-chip. It does not have a built-in GPS chip, instead relying on a paired iPhone for location services. It features a new linear actuator hardware from Apple called the "Taptic Engine", providing realistic haptic feedback when an alert or a notification is received, and is used for other purposes by certain apps.[52] The watch is equipped with a built-in heart rate sensor, which uses both infrared and visible-light LEDs and photodiodes.[70]
All versions of the first-generation Apple Watch have 8 GB of storage; the operating system allows the user to store up to 2 GB of music and 75 MB of photos. When the Apple Watch is paired with an iPhone, all music on that iPhone is also available to be controlled and accessed from the Apple Watch.[71] Software support for the first Apple Watch ended with watchOS 4.3.2.[72]
Second generation (Series 1 and 2) edit
The second generation Apple Watch has two models; the Apple Watch Series 1 and Apple Watch Series 2.
The Series 1 has a variant of the dual-core Apple S2 processor with GPS removed, known as the Apple S1P. It has a lower starting price than first generation.[73] The Series 1 was sold only in Aluminium casings.
The Series 2 has the dual-core Apple S2 processor, water resistance to 50 meters, a display twice as bright, at 1,000 nits, and a GPS receiver.[73][48] The Series 2 was sold in casings of anodized aluminium, stainless steel and ceramic.
The Apple Watch Edition Series 2 is the first Apple Watch model to add the new White ceramic case color option. Both Yellow Gold and Rose Gold 18K gold case color options have been removed.
The Apple Watch Nike+ Series 2 is the first Apple Watch model available as the Nike, Inc. collaborate special option.
The Apple Watch Series 1 and Apple Watch Series 2 are the final Apple Watch models available with Yellow Gold and Rose Gold aluminum case color options.They have an advertised 18 hours of battery life.
The software support for both Apple Watch Series 1 and Apple Watch Series 2 ended with watchOS 6.3.
Third generation (Series 3) edit
The Apple Watch Series 3 features a faster processor, the dual-core S3, Bluetooth 4.2 (compared to 4.0 on older models), a built-in altimeter for measuring flights of stairs climbed, increased RAM size, and is available in a variant with LTE cellular connectivity. Siri is able to speak through the onboard speaker on Apple Watch Series 3 due to the increased processing speed of the Watch.[74]
Series 3 features LTE cellular connectivity for the first time in an Apple Watch, enabling users to make phone calls, iMessage and stream Apple Music and Podcasts directly on the watch, independent of an iPhone. The LTE model contains an eSIM[75] and shares the same mobile number as the user's iPhone.[76]
The Apple Watch Series 3 is the first Apple Watch model to add the new Gold aluminum case color option to match the color introduced with the iPhone 8 in 2017. Both Yellow Gold and Rose Gold aluminum case color options have been removed. It is now available in Space Gray, Silver and Gold aluminum case color options, available in Space Black and Silver stainless steel case color options.
The Apple Watch Edition Series 3 is the first and only Apple Watch model to add the new Gray ceramic case color option. It is available in White and Gray ceramic case color.
The software support for the Apple Watch Series 3 ended with watchOS 8.8.1.
Fourth generation (Series 4) edit
The Apple Watch Series 4[78] is the first prominent redesign of the Apple Watch, featuring larger displays with thinner bezels and rounded corners, and a slightly rounder, thinner chassis with a redesigned ceramic back. Internally there is a new S4 64-bit dual-core processor, capable of up to double the S3's performance, upgraded 16 GB storage, and a new electrical heart sensor. The microphone was moved to the opposite side between the side button and the digital crown to improve call quality. Other changes include the digital crown incorporating haptic feedback with the Apple Haptic Engine and includes the new Apple-designed W3 wireless chip.
The ECG system has received clearance from the United States Food and Drug Administration, a first ever for a consumer device,[79] and is supported by the American Heart Association.[80] The Series 4 can also detect falls, and can automatically contact emergency services unless the user cancels the outgoing call.
The watch received mostly positive reviews from critics. TechRadar gave it a score of 4.5/5, calling it one of the top smartwatches, while criticizing the short battery life.[81] Digital Trends gave it a score of 5/5, calling it Apple's best product and praising the design, build quality, and software, among others, while criticizing the battery life.[82] CNET gave it a score of 8.2/10, calling it the "best overall smartwatch around", while criticizing the battery life and lack of watch face options.[83] T3 gave it a score of 5/5, calling it a "truly next-gen smartwatch" due to its thinner body and bigger screen compared to the Series 3, and health features.[84]
The Apple Series 4 is the first Apple Watch model to add the new Gold stainless steel color option to match the color introduced with the iPhone XS in 2018. It is now available in Space Gray, Silver and Gold aluminum case color options, available in Space Black, Silver and Gold stainless steel case color options. All the ceramic case color options have been removed until the launch of the Apple Watch Edition Series 5 in 2019.
Fifth generation (Series 5 and SE (1st generation)) edit
The Apple Watch Series 5 was announced on September 10, 2019.[85] Its principal improvements over its predecessor were the addition of a compass and an always-on display with a low-power display driver capable of refresh rates as low as once per second. Additional new features include International Emergency Calling, enabling emergency calls in over 150 countries, a more energy-efficient S5 processor,[86] improved ambient light sensor, and storage doubled to 32 GB. The release of the Series 5 also brought back the "Edition" model, with a ceramic model absent from the previous generation. A new titanium model was also included in two colors: natural and Space Black.[87]
At its September 2020 product introduction event, Apple also announced the Apple Watch SE, a lower-cost model, similar to the iPhone SE.[88] The SE incorporates the same always-on altimeter as the Series 6,[89] but uses the previous-generation S5 processor and previous- (i.e. second) generation optical heart rate sensor; does not include ECG and blood oximeter sensors or an always-on display; and does not include ultra-wideband (UWB) or 5 GHz Wi-Fi communication capabilities.
The Series 5 and above (including the SE model introduced in 2020) also incorporate enhanced hardware- and software-based battery and performance management functionality.[90]
Critics generally gave it a positive review. CNET gave it a score of 4/5, concluding, "The Apple Watch continues to be one of the best smartwatches, but it remains limited by being an iPhone accessory for now."[91] Digital Trends gave it a score of 4.5/5.[92] The Verge gave it a score of 9/10.[93]
The Apple Watch Series 5 is now available in Space Gray, Silver and Gold aluminum case color options, available in Space Black, Silver and Gold stainless steel case color options.
The Apple Watch Edition Series 5 is the final Apple Watch model available with White ceramic case color option. It is the first Apple Watch model to add the new Natural and Space Black titanium case color options. It is now available in White ceramic case color option, available in Natural and Space Black titanium case color options.
The 1st-generation Apple Watch SE is the final Apple Watch model available with Space Gray and Gold (introduced with iPhone 8 in 2017) case color options. It is now available with Space Gray, Silver and Gold case color options.
The 1st-generation Apple Watch SE is no longer sold on Apple's official website as of the release of the Apple Watch SE 2nd-generation in 2022, which comes at the same price as the first one, but with some minor changes and more recent components.
Sixth generation (Series 6) edit
The Apple Watch Series 6 was announced on September 15, 2020, during an Apple Special Event and began shipping on September 18. Its principal improvement over its predecessor is the inclusion of a sensor to monitor blood oxygen saturation.[94]
Additional features include a new S6 processor that is up to 20% faster than the S4 and S5,[88] a 2.5× brighter always-on display, and an always-on altimeter.[95] The S6 incorporates an updated, third generation optical heart rate sensor and also enhanced telecommunication technology, including support for ultra-wideband (UWB) via Apple's U1 chip (which is used to locate and communicate with other devices),[96] and the ability to connect to 5 GHz Wi-Fi networks. The Series 6 watch was updated with faster charging hardware such that it completes charging in ~1.5 hours.[97] Force Touch hardware was removed, consistent with the removal of all Force Touch functionality from watchOS 7.
The Apple Watch Series 6 is the final Apple Watch model available with Space Gray and Gold (introduced with the iPhone 8 in 2017) aluminum case color options. It is the first time adding the Product Red and Blue aluminum case color options. It is available in Space Gray, Silver, Gold, Blue and Product Red aluminum case color options, available in Graphite, Silver and Gold stainless steel case color options. The Gold stainless steel case color option is now in classic yellow gold and the Graphite stainless steel case color option is the new color replacing Space Black color before the introduction with the iPhone 12 Pro in 2020.
The Apple Watch Edition Series 6 is now available in Natural and Space Black titanium case color options. The ceramic case option was removed.
Seventh generation (Series 7) edit
The Apple Watch Series 7 was announced on September 14, 2021, during an Apple Special Event.[98] Pre-orders opened on October 8, with earliest shipping dates starting on October 15.
Enhancements relative to the prior-generation Series 6 watch include a more rounded design with a case 1 mm larger than the Series 6; a display that is 70% brighter indoors and approximately 20% larger; improved durability via a crack-resistant front crystal;[99] IP6X certification for resistance to dust; 33% faster charging via improved internal electronics and an enhanced, USB-C based fast-charging cable; support for BeiDou (China's satellite navigation system); and the availability of an on-screen keyboard that can be tapped or swiped.[100] The Series 7 is also equipped with new hardware that enables ultra-rapid, short-range wireless data transfer at 60.5 GHz, though Apple has not fully explained this new functionality.[101]
The Apple Watch Edition Series 7 is the final Apple Watch model to be available in Natural and Space Black titanium case color options.
The Apple Watch Series 7 is now available in Midnight, Starlight, Blue, Green and Product Red aluminum case color option, available in Graphite, Silver and Gold (introduced with the Apple Watch Series 6 and the iPhone 12 Pro in 2020) stainless steel case color option. Both Space Gray and Gold (introduced with iPhone 8 in 2017) aluminum case color options have been removed. The Silver aluminum case color option was unavailable until the launch of the Apple Watch Series 8 in 2022.
Eighth generation (Series 8, SE (2nd generation) and Ultra) edit
The Apple Watch Series 8, the second-generation Apple Watch SE, and the Apple Watch Ultra were announced during Apple's "Far out" event on September 7, 2022. Pre-orders opened on the same day, with the Series 8 and 2nd gen SE shipping on September 16, while the Ultra shipped on September 23.[102]
Enhancements in the Series 8, relative to the prior-generation Series 7 watch, include a new temperature sensor and more precise accelerometers, and Crash Detection. Aluminum case models are available in Midnight, Silver, Starlight and Product Red, and the stainless steel models are available in gold, silver, and graphite finishes. The Blue and Green case colors are discontinued, and the Series 8 is not available with a titanium case.[103]
The Apple Watch Ultra is a new high-end model which Apple positioned towards endurance athletes and outdoor recreation (competing with offerings from companies such as Garmin and Polar); it shares most of its hardware with the Series 8, but it has a larger display and 49 mm band, a rugged titanium casing, a brighter display with a flat front crystal, an additional "Action" button that can be mapped to different apps and functions, integrated multi-band GPS, a water temperature sensor, and a larger battery which Apple rated at 36 hours of usage without using power saving modes.[104]
The second--generation Apple Watch SE is available in Midnight, Silver and Starlight case color options. The Space Gray and Gold case color options have been discontinued. It retains the form factor of the previous SE, which was itself very similar to the Series 4, 5 and 6.[105]
Ninth generation (Series 9 and Ultra 2) edit
The Apple Watch Series 9 and Ultra 2 were announced during Apple's "Wonderlust" event on September 12, 2023.[98] The watches have an updated S9 system-in-package with a faster GPU and Neural Engine, improved power efficiency, and a second-generation UWB chip (shared with iPhone 15) with improved precision and a farther range. Their displays have a higher maximum brightness than their predecessors. The Series 9 and Ultra 2 ship with watchOS 10; they support on-device Siri and a new "double tap" gesture using the index finger and thumb.[98][106]
Aluminum case models are available in Midnight, Pink, Starlight, Silver, and Product Red color options, while the stainless steel models are available in gold, silver, and graphite finishes.
For legal reasons, blood oxygen monitoring is not available on Apple Watch Series 9 and Ultra 2 models sold in the United States after January 18, 2024.[107]
Carbon neutrality claims edit
Apple markets the Series 9 and Ultra 2 as its first-ever carbon-neutral products (depending on the selected case material and band) due to a combination of cutting the carbon dioxide emissions per watch manufactured and sold (Apple claims a reduction of 78% for the Series 9 and 81% for the Ultra 2[111]) and the company's purchases of forestry and nature-based carbon offsets and credits—which some criticized for being misleading due to reliability issues in carbon accounting for forestry carbon offsets.[109]
Most of Apple's claimed emissions reductions were driven by renewable energy requirements imposed on suppliers;[108][110] other factors include increased use of recycled materials, and a lower reliance on shipping products by plane, which is highly carbon-intensive.[109] Apple says the watches' manufacturing relies on "100 per cent clean electricity", though this partly relies on Apple investing in clean-energy projects to offset suppliers' use of electricity produced from fossil fuels. NewClimate Institute, a non-profit, said Apple's "100 per cent clean energy" claim was "highly contentious, since Apple’s major suppliers continue to have very low renewable electricity shares".[112]
The carbon offsets used by Apple follow standards set by Verra,[113] the Climate, Community & Biodiversity Alliance, and the Forest Stewardship Council.[108] However, some investigative reporting has indicated that 94% of Verra's rainforest carbon offsets were allegedly "worthless" and that the standard may worsen global warming.[114][113] Niklas Kaskeala, chair of the non-profit Compensate Foundation, said Apple's tree-planting offsets had "systemic flaws"; the Financial Times found that in one Apple conservation scheme, newly-planted trees were chopped down within a decade, releasing absorbed carbon back into the atmosphere, that most of the planted trees were eucalyptus, posing monoculture concerns, and that only 1% of the land was dedicated to regrowing native tree species.[112]
On September 20, the European Union announced that it would ban most uses of the term "carbon neutral" in advertising by 2026, including claims that are based on carbon offsets, to address greenwashing and misleading advertising. This decision was praised by Monique Goyens, director-general of EU consumer group BEUC, who also called Apple's claims "bogus" and scientifically inaccurate. Gilles Dufrasne, policy officer at non-profit Carbon Market Watch, said it was "misleading to consumers" for Apple to give "the impression that buying the Watch has no impact on the climate at all", based on what he described as "accounting tricks". Other environmental groups criticized Apple's emphasis on carbon emissions without accounting for e-waste, due to the difficulty of repairing these products.[112][115] Berkeley Carbon Trading Project director Barbara Haya praised the products' ~80% emissions reduction, but also criticized Apple's use of the term "carbon neutral" in advertising.[109]
Software edit
Operating system: watchOS is a distinct operating system designed specifically for Apple Watch. While based on iOS, which is used in iPhones, it offers a tailored experience for the smaller screen and wrist-worn form factor.
Features:
- Timekeeping: Telling time is a core function with various watch faces to choose from.
- Notifications: View and respond to notifications from your iPhone directly on your watch.
- Health and Fitness: Extensive health and fitness tracking features like heart rate monitoring, workout programs, and activity rings to stay motivated.
- Apps: Download and use various apps specifically designed for Apple Watch, covering fitness, communication, news, and more.
- Integration with iPhone: Works seamlessly with your iPhone for functionalities like making calls, sending texts, unlocking your iPhone, and using Apple Pay.
- Updates: Apple frequently releases updates to watchOS, bringing new features, bug fixes, and security improvements. You can update your watch through the Watch app on your iPhone or directly on the Apple Watch itself (if it has watchOS 6 or later).
Apple Watch runs watchOS, whose interface is around a home screen with circular app icons, which can be changed to a list view in the devices settings. The OS can be navigated using the touchscreen or the crown on the side of the watch.[52] During its debut, the first generation Apple Watch needed to be paired with an iPhone 5 or later running iOS 8.2 or later; this version of iOS introduced the Apple Watch app, which is used to pair the watch with an iPhone, customize settings and loaded apps, and highlight compatible apps from the App Store.[52]
The Apple Watch is capable of receiving notifications, messages, and phone calls via a paired iPhone.[52] "Glances" allowed users to swipe between pages containing widget-like displays of information; however, this feature was replaced by a new Control Center. watchOS also supports Handoff to send content from Apple Watch to an iOS or macOS device,[52] and act as a viewfinder for an iPhone camera,[116] Siri is also available for voice commands, and is capable of responding with voice prompts on the Series 3 watches.[52] Apple Watch also supports Apple Pay, and enables its use with older iPhone models that do not contain near-field communication (NFC) support.[52]
Apple Watch's default apps are designed to interact with their iOS counterparts, such as Mail, Phone, Calendar, Messages, Maps, Music, Photos, Reminders, Remote (which can control iTunes and Apple TV), Stocks, and Wallet.[52] Using the Activity and Workout apps, a user can track their physical activity and send data back to the iPhone for use in its Health app and other HealthKit-enabled software.[52] With watchOS 3, Reminders, Home, Find My Friends, Heart Rate, and Breathe were added to the stock apps.
Version history edit
At WWDC 2015, Tim Cook announced watchOS 2.0; described by CNET as a "significant revamp", it included a new software development kit that allows more direct access to the device's hardware, new watch faces, the ability to reply to an e-mail, and other features.[117] WatchOS 2.0 was released in September 2015.[118] Following the software update, some users experienced issues with lag.[119]
watchOS 3.0 was announced at WWDC 2016, with a priority on performance. Users are able to keep apps running in memory as well as receive background updates and refreshed information. Other updates include a new Dock invoked with the side button to replace the performance-laden Glances, an updated Control Center, and new reply options on Messages. Several new watch faces have also been added, including Minnie Mouse, along with the ability to switch watch faces from the lock screen simply by swiping. A new feature called SOS allows users to hold the dock button to make a call to the local emergency line and pull up the user's Medical ID. Another feature is Activity Sharing, which allows sharing of workouts with friends and even sending their heartbeats to one another. A new app called Breathe guides users through breathing exercises throughout the day, with visuals and haptic feedback. It was made available to the public in September 2016.
watchOS 3.1 was released to the public in October 2016, and watchOS 3.2 was released in March 2017.[120] Both updates added minor improvements and bug fixes.
WatchOS 4.0 was announced at WWDC 2017 and released to the public in September 2017. WatchOS 4 features a proactive Siri watch face, personalized activity coaching, and an entirely redesigned music app. It also introduces Apple GymKit, a technology platform to connect workouts with cardio equipment.
WatchOS 4.3 was released in March 2018. It introduced support for Nightstand mode in portrait orientation. It brought back the ability for music playing on the iPhone to be controlled using the Music app on the Apple Watch and also enabled control of playback and volume on Apple's HomePod. Other new features included a new charging animation and a new app loading animation. Activity data was added to the Siri watch face, and the battery complication more accurately reports battery life.
watchOS 5.0 was first shown to the public at the San Jose WWDC developer conference held by Apple. It introduced an instant watch-to-watch walkie-talkie mode, all-new Podcasts app, raise-wrist-to-speak Siri, customizable Control Center, and the ability to access the notification center and control center from apps. Other features included support for WebKit to view web pages, six new watch faces, and new workout running features.[121] It was released to the public in September 2018.[122] On the newest release of watchOS beta the sleep feature was shown on screen, this would eliminate the need to use third-party apps.
watchOS 6.0 was released to the public in September 2019. It introduced more native iOS apps such as voice memos, calculator, and a native watchOS app store. watchOS 6.0 also introduced new features such as the noise app that allows you to measure the sound around you in decibels, menstrual tracking, and new watch faces. Other features include Siri being able to tell users what music they are listening to, activity trends, and a new UI framework for developers.
watchOS 7.0 was announced on June 22, 2020, at the WWDC, and released on September 16, 2020; new functionalities include sleep tracking, additional watch faces, handwashing detection and new workouts such as dancing.[123]
watchOS 8.0 was announced on June 7, 2021, at the WWDC, and released on September 20, 2021. It replaces the Breathe app with a new Mindfulness app, and adds a Focus mode as well as a Portrait Watch Face, updates to the Messages and Home apps, Contacts and Find My apps, and a redesigned Photos app.
watchOS 9.0 was released to public on September 13, 2022. It enhances the Workout display with new views of metrics like Activity rings, Heart Rate Zones, Power, and Elevation. It also supports better sleep tracking and additional watch faces.
watchOS 10.0 was announced on June 5, 2023, at WWDC, and released on September 18, 2023. It includes a major redesign of all stock watchOS apps, more detailed metrics available for cycling workouts, and new "Smart Stacks", stacks of widgets available from the clock.
Third-party apps edit
In watchOS 1, third-party WatchKit applications run in the background on the iPhone as an application extension while a set of native user interface resources are installed on Apple Watch.[124] Thus, watchOS apps must be bundled within their respective iOS app, and are synced to the watch either manually, or automatically upon installation of the phone app.[52]
With the release of watchOS 2, Apple made it mandatory for new watch apps to be developed with the watchOS 2 SDK from June 1, 2016, onwards; no third-party languages or SDKs can be used to develop apps.[125] This allowed for developers to create native apps that are run on the watch itself, thus improving the responsiveness of third-party apps.
In watchOS 5 and earlier, all watchOS apps are dependent apps – the watchOS app relies on an iOS companion app in order to function properly.[126] In watchOS 6 or later, developers are able to create completely independent watchOS apps, and no longer require an app to be installed on the paired iPhone. This was assisted by the introduction of a separate App Store on the Apple Watch itself.[127]
Reception edit
Following the announcement, initial impressions from technology and watch industry observers were varied; the watch was praised by some for its "design, potential capabilities and eventual usefulness",[128] while others offered criticism of these same aspects.[128] Venture capitalist Marc Andreessen said he "can't wait" to try it,[129] and Steve Jobs' biographer Walter Isaacson described it as "extremely cool" and an example of future technology that is "much more embedded into our lives".[130] Evan Dashevsky of PC Magazine said it offered nothing new in terms of functionality compared to the Moto 360, except the customizable vibration notifications.[131] In November 2014, Apple Watch was listed by Time as one of the 25 Best Inventions of 2014.[132]
Initial reviews for the device have been generally positive with some caveats.[133] Reviewers praised the watch's potential ability to integrate into everyday life and the overall design of the product, but noted issues of speed and price. Many reviewers described the watch as functional and convenient, while also noting failure to offer as much potential functionality as preceding smartphones. Farhad Manjoo of The New York Times mentioned the device's steep learning curve, stating it took him "three long, often confusing and frustrating days" to become accustomed to watchOS 1, but loved it thereafter.[134] Some reviewers also compared it to competing products, such as Android Wear devices, and claimed "The Smartwatch Finally Makes Sense".[135] Reviewers had mixed opinions on battery life though, with Geoffrey Fowler of The Wall Street Journal saying "the battery lives up to its all-day billing, but sometimes just barely,"[135] and others compared it to the Samsung Gear 2, which "strolls through three days of moderate usage."[136] Tim Bradshaw of the Financial Times used several applications over a period of days. He concluded that there is no "killer application" so far besides telling the time, which is the basic function of a wristwatch anyhow.[137]
When using the Apple Watch, some users have reported issues using the heart monitoring feature due to permanent skin conditions, including tattoos. The Watch uses photoplethysmography technology (PPG) that utilizes the green LEDs to measure heart rates.[138][139] To gauge a user's heart rate, the watch flashes green light from the LEDs at the skin and records the amount of this light that is absorbed by the red pigment of the blood.[140] Under certain circumstances, the skin may not allow for the light absorption to be read properly and thus provide inaccurate results.[138]
Some users have complained that the logo and text on the back of the Apple Watch Sport model, primarily the space gray version,[141] can be easily worn off.[142]
Sales edit
Financial analysts offered early sales estimates from a few million to as many as 5 million in the first year.[143] Time's Tim Bajarin summarized the breadth of reactions, writing that "there is not enough information yet to determine how this product will fare when it finally reaches the market next year".[128]
Owing to the inadequacy of materials, the Apple Watch's delivery was delayed from its initial pre-order release date of April 10, 2015.[144] As a result, only 22 percent of the pre-ordered Apple Watches were dispatched in the United States during the weekend after the release date.[145] It is estimated Apple received almost one million Apple Watch pre-orders in the United States during the initial six hours of the pre-order period on April 10, 2015, after which it sold out and further orders would start delivering in June.[146] A report later on by an analyst stated that Apple Watch was already a $10 billion business during its first year.[147]
Apple has not disclosed any sales figures for the Apple Watch.[148] An estimate by IDC states Apple shipped over 12 million units in 2015.[149] In late 2016, a veteran of the Swiss watch industry said Apple sold about 20 million watches and had a market share of about 50 percent.[150] Analysts estimate Apple sold 18 million watches in 2017, 31 million in 2019, and 34 million in 2020.[151] In 2021, analysts estimated there were 100 million units in use.[152]
In 2020, Apple sold more watches than the entire Swiss watch industry– which includes Swatch and TAG Heuer among others.[153]
Intellectual property disputes edit
In December 2019, Joseph Wiesel, a New York University cardiologist, sued Apple over allegations that the Apple Watch violates a patented method for detecting atrial fibrillation. Wiesel stated he had shared details of the patent with Apple in September 2017; the company refused to negotiate.[154]
Following Apple's announcement of the Series 7, an independent software development company filed a lawsuit against Apple alleging inappropriate copying of the software keyboard functionality from an app that Apple had previously rejected from its App Store.[155]
In October 2023, the United States International Trade Commission (ITC) ruled that Apple Watch products infringed upon patents for light-based pulse oximetry that are owned by medical technology company Masimo. The company alleged that Apple had approached Masimo with offers to acquire or otherwise partner with the company, and went on to poach engineers from Masimo to develop the infringing technology after it declined the offers. This ruling would allow the ITC to impose an import ban, provided it is not overruled by presidential veto power within a 60-day review period ending December 25. Apple denied the allegations, stating that it had solicited partnerships with multiple vendors, declined to work with Masimo because they were not in the consumer market, and accused Masimo of attempting to "use the ITC to keep a potentially lifesaving product from millions of US consumers while making way for their own watch that copies Apple."[156]
On December 18, 2023, Apple began to halt sales of Apple Watch Series 9 and Ultra 2 in the United States.[157] On December 27, 2023, the United States Court of Appeals for the Federal Circuit granted a stay on the import ban pending an appeal.[158] On January 12, 2024, Masimo disclosed that the ITC had approved modifications to the products that would remove the infringing technology.[159] Blood oxygen monitoring is not available on Apple Watch Series 9 and Ultra 2 models sold in the United States after January 18, 2024, designated by part numbers ending in "LW/A".[107]
Operating system support edit
| Legend: | Obsolete | Vintage | Unsupported | Discontinued | Current | Upcoming |
|---|
| Watch | Released with | Release date | Discontinued | Final supported OS | Support ended | Support lifespan |
|---|---|---|---|---|---|---|
| 1st | watchOS 1.0 (iOS 8.2) | April 24, 2015 | September 7, 2016 | watchOS 4.3.2 (iOS 11.4.1)[A] | September 17, 2018 | 3 years, 4 months |
| Series 1 | watchOS 3.0 (iOS 10.0) | September 12, 2016 | September 12, 2018 | watchOS 6.3 (iOS 13.7)[B] | September 15, 2020 | 4 years |
| Series 2 | watchOS 3.0 (iOS 10.0) | September 16, 2016 | September 12, 2017 | watchOS 6.3 (iOS 13.7) | September 15, 2020 | 3 years, 11 months |
| Series 3 | watchOS 4.0 (iOS 11.0) | September 22, 2017 | September 7, 2022 | watchOS 8.8.1 (iOS 15.6.1)[C] | September 13, 2022 | 4 years, 11 months |
| Series 4 | watchOS 5.0 (iOS 12.0) | September 21, 2018 | September 10, 2019 | (Currently supported) | 5 years, 6 months + | |
| Series 5 | watchOS 6.0 (iOS 13.0) | September 20, 2019 | September 15, 2020 | 4 years, 6 months + | ||
| SE (1st) | watchOS 7.0 (iOS 14.0) | September 18, 2020 | September 7, 2022 | 3 years, 6 months + | ||
| Series 6 | watchOS 7.0 (iOS 14.0) | September 18, 2020 | September 14, 2021 | 3 years, 6 months + | ||
| Series 7 | watchOS 8.0 (iOS 15.0) | October 15, 2021 | September 7, 2022 | 2 years, 5 months + | ||
| SE (2nd) | watchOS 9.0 (iOS 16.0) | September 16, 2022 | In production | 1 year, 6 months + | ||
| Series 8 | watchOS 9.0 (iOS 16.0) | September 16, 2022 | September 12, 2023 | 1 year, 6 months + | ||
| Ultra 1 | watchOS 9.0 (iOS 16.0) | September 23, 2022 | September 12, 2023 | 1 year, 6 months + | ||
| Series 9 | watchOS 10.0 (iOS 17.0) | September 22, 2023 | In production | 6 months + | ||
| Ultra 2 | watchOS 10.0 (iOS 17.0) | September 22, 2023 | In production | 6 months + | ||
Technical specifications edit
| Specification[160] | 1st[161][162][163] | Series 1[164][73] | Series 2[165][73] | Series 3[166][160] | Series 4[167][168] | Series 5[169][170] | SE (1st)[171] | Series 6[172] | Series 7[173] | SE (2nd)[174] | Series 8[175] | Ultra[176] | Series 9 | Ultra 2 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| System on chip (SoC)[160] | Apple S1[161] | Apple S1P[73] | Apple S2[73] | Apple S3[166][160] | Apple S4[160] | Apple S5[170] | Apple S6 | Apple S7 | Apple S8 | Apple S9 | ||||||
| Resistance | Water[160] | IPX7 splash resistant (up to 1 meter)[161][73] | ISO 22810:2010 water resistant (up to 50 meters)[166][73][170] | ISO 22810 water resistant (up to 100 meters) and dive (up to 40 meters) | ISO 22810:2010 water resistant (up to 50 meters) | ISO 22810 water resistant (up to 100 meters) and dive (up to 40 meters) | ||||||||||
| Dust | — | IP6X dust resistant[177] | — | IP6X dust resistant | ||||||||||||
| Connectivity | Cellular (LTE / UMTS)[160] | No[161][160][73] | Optional (eSIM)[166][160][170] | Standard (eSIM) | Optional (eSIM) | Standard (eSIM) | ||||||||||
| Wireless networking[160] | Wi-Fi (802.11 b/g/n 2.4 GHz)[161][166][73][170] | Wi-Fi (802.11 b/g/n 2.4 GHz and 5 GHz) | Wi-Fi (802.11 b/g/n 2.4 GHz) | Wi-Fi (802.11 b/g/n 2.4 GHz and 5 GHz) | ||||||||||||
| Bluetooth[160] | Bluetooth 4.0[161][160][73] | Bluetooth 4.2[166][160] | Bluetooth 5.0[160][170] | Bluetooth 5.3[178] | ||||||||||||
| Ultra Wideband | No | U1 chip[179] | No | U1 chip | U2 chip | |||||||||||
| Sensors | Optical heart sensor[160] | 1st generation[161][73][166][160] | 2nd generation[169][171] | 3rd generation[172][173] | 2nd generation | 3rd generation | ||||||||||
| Electrical heart sensor (ECG/EKG)[160] | No[160] | Yes[160][170] | No | Yes | No | Yes | ||||||||||
| Blood oxygen sensor[160] | No[160] | Yes[160][170] | No | Yes | Yes (Disabled for U.S. models sold from January 18th, 2024) | |||||||||||
| Temperature sensor | No | Yes | ||||||||||||||
| Satellite Navigation[160] | No[161][73] | GPS and GLONASS[73] | GPS, GLONASS, Galileo, and QZSS[166][160] | GPS, GLONASS, Galileo, QZSS, and BeiDou[100] | GPS, GLONASS, Galileo, and QZSS | GPS, GLONASS, Galileo, QZSS, and BeiDou | ||||||||||
| Accelerometer[160] | 16g[161][73][166][160] | 32g[160][170] | High-g[178] | |||||||||||||
| Gyroscope[160] | Yes[161][73][166][160] | Improved[160][170] | High dynamic range | |||||||||||||
| Ambient light sensor[160] | Yes[161][73][166][160][170] | |||||||||||||||
| Altimeter[160] | No[161][73] | Yes[166][160][170] | Always on[166][160][170] | |||||||||||||
| Compass | No | Yes[169] | ||||||||||||||
| Input and Display | "Siri Speaks" and "Raise to Speak"[180] | No | Yes | |||||||||||||
| Display type[160] | OLED Retina[161][73] | Second-generation OLED Retina[73][166][160] | LTPO[181] OLED Retina[160] | LTPO OLED Always-on Retina[170] | LTPO[181] OLED Retina[160] | LTPO OLED Always-on Retina[170] | LTPO OLED Retina | LTPO OLED Always-on Retina | ||||||||
| Force Touch | Yes | No | ||||||||||||||
| Brightness (nits) | 450[161][73] | 1000[73][166][160][170] | 2000 | 3000 | ||||||||||||
| Pixel Density | 326 ppi | 338 ppi | 326 ppi | 338 ppi | ||||||||||||
| Small (38/40/41 mm case height) diagonal size and resolution | 38 mm: 1.337in 272×340 pixels[182] | 40 mm: 1.549in 324×394 pixels[182][i] | 41 mm: 1.691in 352×430 pixels[182][i] | 40 mm: 1.549in 324×394 pixels[182][i] | 41 mm: 1.691in 352×430 pixels[182][i] | 49 mm: 1.919 in 410×502 pixels[i] | 41 mm: 1.691in 352×430 pixels[182][i] | 49 mm: 1.919 in 410×502 pixels[i] | ||||||||
| Large (42/44/45 mm case height) diagonal size and resolution | 42 mm: 1.533in 312×390 pixels[182] | 44 mm: 1.757in 368×448 pixels[182][i] | 45 mm: 1.901in 396×484 pixels[182][i] | 44 mm: 1.757in 368×448 pixels[182][i] | 45 mm: 1.901in 396×484 pixels[182][i] | 45 mm: 1.901in 396×484 pixels[182][i] | ||||||||||
| Chipset | Central Processing Unit (CPU) | 520 MHz 32-bit Single-Core[183] | 520 MHz 32-bit Dual-Core[184] | 32-bit Dual-Core[160] | 64-bit Dual-Core S4 SiP[167] | 64-bit Dual-Core S5 SiP[169][171] | 64-bit Dual-Core S6 SiP[172] | 64-bit Dual-Core S7 SiP[173] | 64-bit Dual-Core S8 SiP | 64-bit Dual-Core S9 SiP | ||||||
| Storage | 8 GB[183][160] | Non-LTE: 8 GB[160] LTE: 16 GB[160] | 16 GB[160] | 32 GB[170] | 64 GB[170] | |||||||||||
| Random Access Memory (RAM) | 512 MB DRAM[183][185] | 768 MB DRAM[186] | 1 GB DRAM[187][188] | |||||||||||||
| Software | OS Versions | watchOS 1.0 to 4.3.2[161] | watchOS 3.0 to 6.3[189] | watchOS 4.0 to 8.8.1[123] | watchOS 5.0 to 10.1[190] | watchOS 6.0 to 10.1[190] | watchOS 7.0 to 10.1[190] | watchOS 8.0 to 10.1[190] | watchOS 9.0 to 10.1 | watchOS 10.0 to 10.1 | ||||||
| Requires[ii] | iPhone 5 or later running iOS 8.2 or later[161] | iPhone 5 or later running iOS 10 or later[191] | Non-LTE: iPhone 5S or later running iOS 11 or later[166] LTE: iPhone 6 or later, running iOS 11 or later[166] | Non-LTE: iPhone 5S or later running iOS 12 or later[167] LTE: iPhone 6 or later, running iOS 12 or later[160] | iPhone 8 or later running iOS 16 or later | iPhone 6s or later with iOS 14 or later | iPhone 6s or later with iOS 15 or later | iPhone 8 or later running iOS 16 or later | iPhone XS or later with iOS 17 or later | |||||||
| Battery | Small case (38/40/41 mm) capacity | 205 mA·h, 3.8 V, 0.78 W·h[192] | 273 mA·h, 3.77 V, 1.03 W·h[193] | Non-LTE: 262 mA·h, 3.81 V, 1.00 W·h[194] | 224.9 mA·h, 3.81 V, 0.858 W·h[195] | 245 mA·h, 3.85 V, 0.944 W·h[195] | 245 mA·h, 3.85 V, 0.944 W·h[196] | 265.9 mA·h, 3.85 V, 1.024 W·h[197] | 284.2 mA·h, 3.85 V, 1.094 W·h[198] | 542 mA·h, 3.86 V, 2.094 W·h[199] | ||||||
| LTE: 279 mA·h, 3.82 V, 1.07 W·h[200] | ||||||||||||||||
| Large case (42/44/45 mm) capacity | 246 mA·h, 3.78 V, 0.93 W·h[192] | 334 mA·h, 3.8 V, 1.27 W·h[201] | Non-LTE: 342 mA·h, 3.82 V, 1.31 W·h[202] | 291.8 mA·h, 3.81 V, 1.113 W·h[203] | 296 mA·h, 3.814 V, 1.129 W·h[204] | 296 mA·h, 3.814 V, 1.129 W·h[205] | 303.8 mA·h, 3.85 V, 1.17 W·h[197] | 308.8 mA·h, 3.85 V, 1.189 W·h[198] | ||||||||
| LTE: 352 mA·h, 3.82 V, 1.34 W·h[206] | ||||||||||||||||
| Charge Times | - | - | - | ~1.5 hours to 80% ~2 hours to 100%[207] | ~1.5 hours to 80% ~2 hours to 100%[208] | ~1.5 hours to 80% ~2.5 hours to 100%[207] | ~1.5 hours to 80% ~2.5 hours to 100% | ~1 hour to 80% ~1.5 hours to 100%[209] | ~45 minutes to 80% ~75 minutes to 100%[210] | ~1.5 hours to 80% ~2.5 hours to 100% | ~45 minutes to 80% ~75 minutes to 100% | ~1 hour to 80% ~1.5 hours to 100% | ||||
| Battery life | 24h | 24h | 24h | 24h | 18h | 18h | 18h | 18h | 18h | 18h | 18h | 36h | 18h | 36h | ||
| Greenhouse Gas Emissions | 50 kg CO2e[211] | 20 kg CO2e[212] | 30 kg CO2e[213] | Non-LTE: 28 kg CO2e[214] LTE: 36 kg CO2e[215] | Non-LTE: 38 kg CO2e[216] LTE: 39 kg CO2e[217] | All: 40 kg CO2e[218] | All: 35 kg CO2e[219] | All: 36 kg CO2e[220] | All: 34 kg CO2e[221] | All: 31 kg CO2e[222] | All: 33 kg CO2e[223] | 56 kg CO2e[224] | ||||
| Dates | Introduced | September 9, 2014 | September 7, 2016 | September 12, 2017 | September 12, 2018 | September 10, 2019 | September 15, 2020 | September 14, 2021 | September 7, 2022 | September 12, 2023 | ||||||
| Released | April 24, 2015 | September 12, 2016 | September 16, 2016 | September 22, 2017 | September 21, 2018 | September 25, 2019 | September 18, 2020 | October 15, 2021 | September 16, 2022 | September 23, 2022 | September 22, 2023 | |||||
| Discontinued | September 7, 2016 | September 12, 2018 | September 12, 2017 | September 7, 2022 | September 10, 2019 | September 15, 2020 | September 7, 2022 | October 8, 2021[225] | September 7, 2022 | In production | September 12, 2023 | In production | ||||
| Unsupported | September 17, 2018 | December 14, 2020 | September 12, 2022 | Current | ||||||||||||
| Model Numbers[226] | A1553 (38 mm) A1554 (42 mm) | A1802 (38 mm) A1803 (42 mm) | A1757 (38 mm) A1758 (42 mm) Edition: A1816 (38 mm) A1817 (42 mm) | GPS: A1858 (38 mm) A1859 (42 mm) GPS + Cellular: Americas: A1860 (38 mm) A1861 (42 mm) Europe and Asia Pacific: A1889 (38 mm) A1891 (42 mm) China mainland: A1890 (38 mm) A1892 (42 mm) | GPS: A1977 (40 mm) A1978 (44 mm) GPS + Cellular: North America: A1975 (40 mm) A1976 (44 mm) Europe, Asia Pacific, and China mainland: A2007 (40 mm) A2008 (44 mm) | GPS: A2092 (40 mm) A2093 (44 mm) GPS + Cellular: North America: A2094 (40 mm) A2095 (44 mm) Europe, Asia Pacific, and China mainland: A2156 (40 mm) A2157 (44 mm) | GPS: A2351 (40 mm) A2352 (44 mm) GPS + Cellular: North America: A2353 (40 mm) A2354 (44 mm) | GPS: A2291 (40 mm) A2292 (44 mm) GPS + Cellular: North America: A2293 (40 mm) A2294 (44 mm) Europe, Asia Pacific, and China mainland: A2375 (40 mm) A2376 (44 mm) | GPS: A2473 (41 mm) A2474 (45 mm) GPS + Cellular: North America: A2475 (41 mm) A2477 (45 mm) Europe, Asia Pacific, and China mainland: A2476 (41 mm) A2478 (45 mm) | GPS: A2722 (40 mm) A2723 (44 mm) GPS + Cellular: North America: A2726 (40 mm) A2727 (44 mm) | GPS: A2770 (41 mm) A2771 (45 mm) GPS + Cellular: North America: A2772 (41 mm) A2774 (45 mm) | North America: A2622 Europe and Asia Pacific: A2684 China mainland: A2859 | ||||
| FCC ID | BCG-E2870[227] BCG-E2871[228] | BCG-E3102[229] BCG-E3103[230] | BCG-E3104[231] BCG-E3105[232] | BCG-A1858[233] BCG-A1859[234] BCG-A1860[235] BCG-A1861[236] BCG-A1889[237] BCG-A1891[238] BCG-A1890[239] BCG-A1892[240] | BCG-A1977[241] BCG-A1978[242] BCG-A1975[243] BCG-A1976[244] BCG-A2007[245] BCG-A2008[246] | BCG-A2092[247] BCG-A2093[248] BCG-A2094[249] BCG-A2095[250] BCG-A2156[251] BCG-A2157[252] | BCG-A2351[253] BCG-A2352[254] BCG-A2353[255] BCG-A2354[256] BCG-A2355[257] BCG-A2356[258] | BCG-A2291[259] BCG-A2292[260] BCG-A2293[261] BCG-A2294[262] BCG-A2375[263] BCG-A2376[264] | ||||||||
| Starting price (US) small / large | Base model (Aluminum) | $349 / $399[265] | $269[266] | $369[266] | GPS: $329 / 359 GPS+Cellular: $399[267] | GPS: $399 / $429 GPS+Cellular: $499 / $529[268][269][270] | GPS: $279 / $309 GPS+Cellular: $329 / $359[271] | GPS: $399 / $429 GPS+Cellular: $499 / $529 | GPS: $249 / $279 GPS+Cellular: $279 / $329 | GPS: $399 / $429 GPS+Cellular: $499 / $529 | — | GPS: $399 / $429 GPS+Cellular: $499 / $529 | — | |||
| Stainless steel | $549 / $599[265] | — | $549 | $749 / $799[272] | $699 / $749[268][270] | — | $699 / $749 | — | $699 / $749 | $699 / $749 | ||||||
| Nike+ | — | $369[266] | GPS: $329[267] | $399[269][270] | $279 | $399 | — | — | ||||||||
| Hermes | $1,149[266] | $1,149[267] | $1,249[269][270] | — | $1,229 | $1,229 | $1,249 / $1,299 | |||||||||
| Edition | $10,000 / $12,000[273] | $1,249 / $1,299[274] | $1,299 / $1,349[272] | —[268] | $799 (Ti)[270] $1,299 (Ceramic)[275] | $799 | — | — | ||||||||
| Titanium | — | $799 | — | $799 | ||||||||||||
Physical Specifications edit
| Series | Small | Large | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Aluminium | Stainless Steel | Edition [iii] | Image | Aluminium | Stainless Steel | Edition [iv] | Image | ||
| 1st[162][161][163] | H | 38.6 mm (1.52 in) | 42.0 mm (1.65 in) | ||||||
| W | 33.3 mm (1.31 in) | 35.9 mm (1.41 in) | |||||||
| D | 10.5 mm (0.41 in) | 10.5 mm (0.41 in) | |||||||
| Weight | 25 g (0.88 oz) | 40 g (1.4 oz) | 54–55 g (1.9–1.9 oz) | 30 g (1.1 oz) | 50 g (1.8 oz) | 67–69 g (2.4–2.4 oz) | |||
| Series 1[164] | H | 38.6 mm (1.52 in) | — | 42.5 mm (1.67 in) | — | ||||
| W | 33.3 mm (1.31 in) | — | 36.4 mm (1.43 in) | — | |||||
| D | 10.5 mm (0.41 in) | — | 10.5 mm (0.41 in) | — | |||||
| Weight | 25 g (0.88 oz) | — | 30 g (1.1 oz) | — | |||||
| Series 2[165] | H | 38.6 mm (1.52 in) | 39.2 mm (1.54 in) | 42.5 mm (1.67 in) | 42.6 mm (1.68 in) | ||||
| W | 33.3 mm (1.31 in) | 34.0 mm (1.34 in) | 36.4 mm (1.43 in) | 36.5 mm (1.44 in) | |||||
| D | 11.4 mm (0.45 in) | 11.8 mm (0.46 in) | 11.4 mm (0.45 in) | 11.8 mm (0.46 in) | |||||
| Weight | 28.2 g (0.99 oz) | 41.9 g (1.48 oz) | 39.6 g (1.40 oz) | 34.2 g (1.21 oz) | 52.4 g (1.85 oz) | 45.6 g (1.61 oz) | |||
| Series 3[166] | H | 38.6 mm (1.52 in) | 39.2 mm (1.54 in) | 42.5 mm (1.67 in) | 42.6 mm (1.68 in) | ||||
| W | 33.3 mm (1.31 in) | 34.0 mm (1.34 in) | 36.4 mm (1.43 in) | 36.5 mm (1.44 in) | |||||
| D | 11.4 mm (0.45 in) | 11.8 mm (0.46 in) | 11.4 mm (0.45 in) | 11.8 mm (0.46 in) | |||||
| Weight | 26.7–28.7 g (0.94–1.01 oz) | 42.4 g (1.50 oz) | 40.1 g (1.41 oz) | 32.3–34.9 g (1.14–1.23 oz) | 52.8 g (1.86 oz) | 46.4 g (1.64 oz) | |||
| Series 4[167] | H | 40 mm (1.6 in) | — | 44 mm (1.7 in) | — | ||||
| W | 34 mm (1.3 in) | — | 38 mm (1.5 in) | — | |||||
| D | 10.7 mm (0.42 in) | — | 10.7 mm (0.42 in) | — | |||||
| Weight | 30.1 g (1.06 oz) | 39.8 g (1.40 oz) | — | 36.7 g (1.29 oz) | 47.9 g (1.69 oz) | — | |||
| Series 5[169] | H | 40 mm (1.6 in) | 44 mm (1.7 in) | ||||||
| W | 34 mm (1.3 in) | 38 mm (1.5 in) | |||||||
| D | 10.74 mm (0.423 in) | 10.74 mm (0.423 in) | |||||||
| Weight | 30.8 g (1.09 oz) | 40.6 g (1.43 oz) | 35.1 / 39.7 g (1.24 / 1.40 oz) Ti/C | 36.5 g (1.29 oz) | 47.8 g (1.69 oz) | 41.7 / 46.7 g (1.47 / 1.65 oz) Ti/C | |||
| SE (1st)[171] | H | 40 mm (1.6 in) | — | 44 mm (1.7 in) | — | ||||
| W | 34 mm (1.3 in) | — | 38 mm (1.5 in) | — | |||||
| D | 10.7 mm (0.42 in) | — | 10.7 mm (0.42 in) | — | |||||
| Weight | 30.49–30.68 g (1.076–1.082 oz) | — | 36.20–36.36 g (1.277–1.283 oz) | — | |||||
| Series 6[172] | H | 40 mm (1.6 in) | 44 mm (1.7 in) | ||||||
| W | 34 mm (1.3 in) | 38 mm (1.5 in) | |||||||
| D | 10.7 mm (0.42 in) | 10.7 mm (0.42 in) | |||||||
| Weight | 30.5 g (1.08 oz) | 39.7 g (1.40 oz) | 34.6 g (1.22 oz) | 36.5 g (1.29 oz) | 47.1 g (1.66 oz) | 41.3 g (1.46 oz) | |||
| Series 7[173] | H | 41 mm (1.6 in) | 45 mm (1.8 in) | ||||||
| W | 35 mm (1.4 in) | 38 mm (1.5 in) | |||||||
| D | 10.74 mm (0.423 in) | 10.74 mm (0.423 in) | |||||||
| Weight | 32.0 g (1.13 oz) | 42.3 g (1.49 oz) | 37.0 g (1.31 oz) | 38.8 g (1.37 oz) | 51.5 g (1.82 oz) | 45.1 g (1.59 oz) | |||
| SE (2nd) | H | 40 mm (1.6 in) | – | 44 mm (1.7 in) | – | ||||
| W | 34 mm (1.3 in) | – | 38 mm (1.5 in) | – | |||||
| D | 10.7 mm (0.42 in) | – | 10.7 mm (0.42 in) | – | |||||
| Weight | 26.4–27.8 g (0.93–0.98 oz) | – | 32.9–33.0 g (1.16–1.16 oz) | – | |||||
| Series 8 | H | 41 mm (1.6 in) | – | 45 mm (1.8 in) | – | ||||
| W | 35 mm (1.4 in) | – | 38 mm (1.5 in) | – | |||||
| D | 10.74 mm (0.423 in) | – | 10.74 mm (0.423 in) | – | |||||
| Weight | 32.0 g (1.13 oz) | 42.3 g (1.49 oz) | – | 38.8 g (1.37 oz) | 51.5 g (1.82 oz) | – | |||
| Ultra | H | 49 mm (1.9 in) | |||||||
| W | 44 mm (1.7 in) | ||||||||
| D | 14.4 mm (0.57 in) | ||||||||
| Weight | 61.3 g (2.16 oz) | ||||||||
Collections and materials edit
| Series | Watch | Nike+ | Hermès | Edition | |||
|---|---|---|---|---|---|---|---|
| 1st | Body | "Sport": Aluminum (Silver, Space Gray, Rose Gold, Gold)[162] | Stainless steel (Polished or Space Black)[161] | — | Stainless steel (Polished) | 18K Gold (Rose or Yellow)[163] | |
| Crystal | "Sport": Ion-X[162] | Sapphire[161] | Sapphire | Sapphire[163] | |||
| Back | "Sport": Composite[162] | Ceramic[161] | Ceramic with Hermès logo | Ceramic[163] | |||
| Series 1 | Body | Aluminum (Space Gray, Gold, Rose Gold, Silver) | — | ||||
| Crystal | Ion-X | ||||||
| Back | Composite | ||||||
| Series 2 | Body | Aluminum (Space Gray, Gold, Rose Gold, Silver) | Stainless steel (Space Black, Polished) | Aluminum (Space Gray, Silver) | Stainless steel (Polished) | Ceramic (White) | |
| Crystal | Ion-X | Sapphire | Ion-X | Sapphire | |||
| Back | Ceramic | Ceramic | Ceramic with Hermès logo | Ceramic | |||
| Series 3 | Body | Aluminum (Space Gray, Gold, Silver) | Stainless steel (Space Black, Polished) | Aluminum (Space Gray, Silver) | Stainless steel (Polished) | Ceramic (White, Gray) | |
| Crystal | Ion-X | Sapphire | Ion-X | Sapphire | |||
| Back | Composite (GPS) | Ceramic | Composite (GPS) with Nike logo | Ceramic with Hermès logo | Ceramic | ||
| Ceramic (GPS+LTE) | Ceramic (GPS+LTE) with Nike Logo | ||||||
| Series 4 | Body | Aluminum (Space Gray, Gold, Silver) | Stainless steel (Polished, Space Black, Gold) | Aluminum (Space Gray, Silver) | Stainless steel (Polished) | — | |
| Crystal | Ion-X | Sapphire | Ion-X | Sapphire | |||
| Back | Ceramic | Ceramic with Nike logo | Ceramic with Hermès logo | ||||
| Series 5 | Body | Aluminum (Space Gray, Gold, Silver) | Stainless steel (Polished, Space Black, Gold) | Aluminum (Space Gray, Silver) | Stainless steel (Polished, Space Black) | Titanium (Dark, Light) | Ceramic (White) |
| Crystal | Ion-X | Sapphire | Ion-X | Sapphire | |||
| Back | Ceramic | Ceramic with Nike logo | Ceramic with Hermès logo | Ceramic | |||
| SE (1st) | Body | Aluminum (Space Gray, Gold, Silver) | Aluminum (Space Gray, Silver) | — | |||
| Crystal | Ion-X | Ion-X | |||||
| Back | Ceramic | Ceramic with Nike logo | |||||
| Series 6 | Body | Aluminum (Space Gray, Gold, Silver, Red, Blue) | Stainless steel (Silver, Graphite, Gold) | Aluminum (Space Gray, Silver) | Stainless steel (Silver, Space Black) | Titanium (Natural, Space Black) | |
| Crystal | Ion-X | Sapphire | Ion-X | Sapphire | |||
| Back | Ceramic | Ceramic with Nike logo | Ceramic with Hermès logo | Ceramic | |||
| Series 7 | Body | Aluminum (Midnight, Starlight, Green, Blue, (PRODUCT)RED) | Stainless steel (Silver, Graphite, Gold) | Aluminum (Midnight, Starlight) | Stainless steel (Silver, Space Black) | Titanium (Natural, Space Black) | |
| Crystal | Ion-X | Sapphire | Ion-X | Sapphire | |||
| Back | Ceramic | Ceramic with Nike logo | Ceramic with Hermès logo | Ceramic | |||
| SE (2nd) | Body | Aluminum (Midnight, Starlight, Silver) | — | ||||
| Crystal | Ion-X | ||||||
| Back | Composite | ||||||
| Series 8 | Body | Aluminum (Midnight, Starlight, Silver, (PRODUCT)RED) | Stainless steel (Silver, Graphite, Gold) | — | Stainless steel (Silver, Space Black) | — | |
| Crystal | Ion-X | Sapphire | Sapphire | ||||
| Back | Ceramic | Ceramic with Hermès logo | |||||
| Ultra | Body | Titanium | — | ||||
| Crystal | Sapphire | ||||||
| Back | Ceramic and sapphire | ||||||
- 1st generation only: Apple Watch was sold as "Apple Watch Sport" (Aluminum body) and "Apple Watch" (Stainless steel body). Later generations sold both body materials as "Apple Watch".
See also edit
Notes edit
- ^ In September 2016, the second generation of Apple Watch was divided into two Series, the Series 2 and the budget Series 1, with different internal components.[10] In September 2020, the sixth generation of Apple Watch was divided into the Series 6 and the budget SE, also carrying different internal components.[11] In September 2022, the eighth generation of Apple Watch was divided into the Series 8, the updated second generation of the budget SE, and the Ultra, again each with different internal components, and also with different external appearances.[12]
For convenience sake, this article treats each SE generation and the Ultra as the equivalent of a numbered Series. - ^ Except for the initial configuration, a "Family Setup" option removes the need for an iPhone altogether, although fewer features are supported.[17][18]
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