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Apple Watch Series 12 42mm
- Case Sizes: 42mm & 46mm (Aluminum)
- Processor: Apple S11 SiP (64-bit dual-core)
- Display: Always-On Retina LTPO3 OLED (2000 nits)
- Battery Life: Up to 24 Hours (Standard)
- Health Sensors: Electrical Heart (ECG), Optical Heart (Gen 3), Temperature, Blood Oxygen
- New Health Tech: Hypertension Notifications, Sleep Apnea Detection
- Water Resistance: WR50 (Swimproof) + IP6X Dust Resistant
- Storage: 64GB
- Connectivity: GPS, Wi-Fi 4, Bluetooth 5.3, UWB (Gen 2)
- OS: watchOS 26
- Prices and offers are subject to change without notice.
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Compare Apple Watch Series 12 42mm specs with similar products
| BrandApple | BrandApple | BrandApple | BrandApple |
| ModelApple Watch Series 12 42mm | ModelApple Watch Series 12 46mm | ModelApple Watch Ultra 4 49mm | ModelApple Watch Series 10 |
| Announced9 September 2026 | Announced9 September 2026 | Announced9 September 2026 | AnnouncedSeptember 2024 |
| DimensionsAluminum or titanium: 42 × 37 × 9.7 mm; ceramic: 43 × 37 × 9.85 mm | DimensionsAluminum or titanium: 46 × 40 × 9.7 mm; ceramic: 47 × 41 × 9.85 mm | Dimensions49 × 44 × 12 mm | Dimensions46 mm: 46 × 39 × 9.7 mm 42 mm: 42 × 36 × 9.7 mm |
| WeightAluminum GPS: 32.2 g; aluminum GPS + Cellular: 31.5 g; titanium: 36.5 g; Pearl White ceramic: 41.7 g; Night Blue ceramic: 42.8 g | WeightAluminum GPS: 39.5 g; aluminum GPS + Cellular: 38.6 g; titanium: 44.9 g; Pearl White ceramic: 51.3 g; Night Blue ceramic: 52.9 g | WeightNatural titanium: 63.0 g; black titanium: 63.1 g | Weight46 mm: 35.3–41.7 g, depending on case and connectivity 42 mm: 29.3–34.4 g, depending on case and connectivity |
| Build materialsAluminum, titanium or ceramic case, depending on configuration | Build materialsAluminum, titanium or ceramic case, depending on configuration | Build materialsGrade 5 titanium case; ceramic and zirconia back; flat sapphire crystal front | Build materialsAluminium or titanium case, depending on configuration |
| Wrist size130–200 mm | Wrist size140–245 mm | Wrist size130–210 mm | Wrist size46 mm: 140–245 mm wrist 42 mm: 130–200 mm wrist |
| Controls / buttonsDigital Crown with haptic feedback; side button; band-release button; single tap, double tap and wrist flick gestures | Controls / buttonsDigital Crown with haptic feedback; side button; band-release button; single tap, double tap and wrist flick gestures | Controls / buttonsCustomizable Action button; Digital Crown with haptic feedback; side button; single tap, double tap and wrist flick gestures | Controls / buttonsDigital Crown with haptic feedback; side button; touchscreen |
| DisplayAlways-On Retina LTPO3 wide-angle OLED | DisplayAlways-On Retina LTPO3 wide-angle OLED | Display1.98-inch Always-On Retina LTPO3 wide-angle OLED | DisplayAlways-On Retina LTPO3 OLED |
| Screen resolution374 × 446 pixels, 326 ppi; 970 mm² display area | Screen resolution416 × 496 pixels, 326 ppi; 1,196 mm² display area | Screen resolution422 × 514 pixels, 326 ppi; 1,245 mm² display area | Screen resolution46 mm: 416 × 496 pixels 42 mm: 374 × 446 pixels |
| Display protectionCeramic Shield 2 on aluminum cases; sapphire front crystal on titanium and ceramic cases | Display protectionCeramic Shield 2 on aluminum cases; sapphire front crystal on titanium and ceramic cases | Display protectionFlat sapphire crystal | Display protectionIon-X front glass on aluminium models; sapphire front crystal on titanium models |
| Display features1 Hz refresh; up to 2,000 nits peak brightness; 1 nit minimum brightness | Display features1 Hz refresh; up to 2,000 nits peak brightness; 1 nit minimum brightness | Display features1 Hz refresh; up to 3,000 nits peak brightness; 1 nit minimum brightness; Night Mode | Display featuresAlways-On display; wide-angle OLED; up to 2,000 nits; 1 nit minimum brightness; 326 ppi |
| ProcessorApple S11 chip; 4-core Neural Engine | ProcessorApple S11 chip; 4-core Neural Engine | ProcessorApple S11 chip; 4-core Neural Engine | ProcessorApple S10 SiP |
| CPU64-bit dual-core | CPU64-bit dual-core | CPU64-bit dual-core | CPU64-bit dual-core processor; 4-core Neural Engine |
| GPUPowerVR | GPUPowerVR | GPUPowerVR | GPUNot specified |
| Storage64 GB | Storage64 GB | Storage64 GB | Storage64 GB |
| Operating systemwatchOS 27 | Operating systemwatchOS 27 | Operating systemwatchOS 27 | Operating systemwatchOS |
| Network / cellular5G RedCap and LTE on GPS + Cellular models; international roaming supported | Network / cellular5G RedCap and LTE on GPS + Cellular models; international roaming supported | Network / cellular5G RedCap and LTE cellular connectivity; international roaming supported | Network / cellularGPS + Cellular models support LTE and UMTS; availability varies by carrier and region |
| SIM / eSIMeSIM on GPS + Cellular models | SIM / eSIMeSIM on GPS + Cellular models | SIM / eSIMeSIM | SIM / eSIMeSIM on GPS + Cellular models; carrier plan required |
| Wi-FiWi‑Fi 4 (802.11n), 2.4 GHz and 5 GHz | Wi-FiWi‑Fi 4 (802.11n), 2.4 GHz and 5 GHz | Wi-FiWi‑Fi 4 (802.11n), 2.4 GHz and 5 GHz | Wi-FiWi‑Fi 4 (802.11n), 2.4 GHz and 5 GHz |
| BluetoothBluetooth 5.3 | BluetoothBluetooth 5.3 | BluetoothBluetooth 5.3 | BluetoothBluetooth 5.3 |
| NFCSupported; Apple Pay | NFCSupported; Apple Pay | NFCSupported; Apple Pay | NFCNFC with Apple Pay support |
| Positioning / GNSSPrecision L1 GPS; GLONASS; Galileo; QZSS; BeiDou | Positioning / GNSSPrecision L1 GPS; GLONASS; Galileo; QZSS; BeiDou | Positioning / GNSSPrecision dual-frequency GPS (L1+L5); Galileo; QZSS; BeiDou | Positioning / GNSSL1 GPS, GLONASS, Galileo, QZSS and BeiDou |
| Ultra Wideband (UWB)Second-generation Ultra Wideband chip | Ultra Wideband (UWB)Second-generation Ultra Wideband chip | Ultra Wideband (UWB)Second-generation Ultra Wideband chip | Ultra Wideband (UWB)Second-generation Ultra Wideband chip |
| SpeakerSpeaker with media playback | SpeakerSpeaker with media playback | SpeakerDual speakers with 86 dB siren; media playback | SpeakerSpeaker |
| MicrophoneMicrophone with Voice Isolation | MicrophoneMicrophone with Voice Isolation | MicrophoneThree-microphone array with beamforming and wind-noise mitigation | MicrophoneMicrophone with voice isolation |
| CallingBluetooth calling; cellular calling on GPS + Cellular models; international emergency calling | CallingBluetooth calling; cellular calling on GPS + Cellular models; international emergency calling | CallingCellular and Bluetooth calling; international emergency calling | CallingBluetooth calling through a paired iPhone; cellular calling on GPS + Cellular models with an eligible plan |
| SensorsHigh-g accelerometer; high dynamic-range gyroscope; compass; always-on altimeter; ambient-light sensor; third-generation electrical heart sensor; always-on optical heart sensor; blood-oxygen sensor; temperature sensor; depth gauge; water-temperature sensor | SensorsHigh-g accelerometer; high dynamic-range gyroscope; compass; always-on altimeter; ambient-light sensor; third-generation electrical heart sensor; always-on optical heart sensor; blood-oxygen sensor; temperature sensor; depth gauge; water-temperature sensor | SensorsHigh-g accelerometer; high dynamic-range gyroscope; compass; barometer/always-on altimeter; ambient-light sensor; third-generation electrical heart sensor; always-on optical heart sensor; blood-oxygen sensor; temperature sensor; depth gauge; water-temperature sensor | SensorsElectrical heart sensor; third-generation optical heart sensor; temperature sensor; compass; always-on altimeter; high-g accelerometer; high-dynamic-range gyroscope; ambient light sensor; depth gauge; water temperature sensor |
| Health & wellness featuresHeart rate and HRV; Blood Oxygen; ECG; respiratory rate; wrist temperature; Readiness and Vitals; high/low heart-rate and irregular-rhythm notifications; cycle tracking; hypertension notifications | Health & wellness featuresHeart rate and HRV; Blood Oxygen; ECG; respiratory rate; wrist temperature; Readiness and Vitals; high/low heart-rate and irregular-rhythm notifications; cycle tracking; hypertension notifications | Health & wellness featuresHeart rate and HRV; Blood Oxygen; ECG; respiratory rate; wrist temperature; Readiness and Vitals; high/low heart-rate and irregular-rhythm notifications; cycle tracking; hypertension notifications | Health & wellness featuresECG app; blood oxygen feature where available; high and low heart-rate notifications; irregular rhythm notifications; temperature sensing; cycle tracking |
| Sleep trackingSleep duration and stages; sleep score; sleep-apnea notifications | Sleep trackingSleep duration and stages; sleep score; sleep-apnea notifications | Sleep trackingSleep duration and stages; sleep score; sleep-apnea notifications | Sleep trackingSleep tracking with sleep stages and sleep-apnoea notifications where available |
| Sports / workout modesRunning; hiking; cycling; pool and open-water swimming; skiing; snowboarding; rowing; paddling; golf; walking; HIIT; yoga; strength; dance; Pilates; Tai Chi; kickboxing; multisport and more | Sports / workout modesRunning; hiking; cycling; pool and open-water swimming; skiing; snowboarding; rowing; paddling; golf; walking; HIIT; yoga; strength; dance; Pilates; Tai Chi; kickboxing; multisport and more | Sports / workout modesRunning; hiking; cycling; pool and open-water swimming; skiing; snowboarding; rowing; paddling; golf; walking; HIIT; yoga; strength; dance; Pilates; Tai Chi; kickboxing; multisport and more | Sports / workout modesWorkout app with multiple workout types and automatic workout detection |
| Training & outdoor featuresCustom workouts and views; Training Load; heart-rate zones; VO₂ max; Race Route; Pacer; running dynamics; automatic track detection; offline maps, routes, waypoints and Backtrack | Training & outdoor featuresCustom workouts and views; Training Load; heart-rate zones; VO₂ max; Race Route; Pacer; running dynamics; automatic track detection; offline maps, routes, waypoints and Backtrack | Training & outdoor featuresCustom workouts and views; Training Load and Workout Effort; heart-rate zones; VO₂ max; Race Route; Pacer; running dynamics; automatic track detection; offline maps, routes, waypoints, Backtrack and elevation alerts | Training & outdoor featuresTraining load; pace and heart-rate zones; compass waypoints and backtrack |
| Safety & emergency featuresEmergency SOS; international emergency calling; Fall Detection; Crash Detection; flashlight; Check In; noise monitoring; emergency waypoints | Safety & emergency featuresEmergency SOS; international emergency calling; Fall Detection; Crash Detection; flashlight; Check In; noise monitoring; emergency waypoints | Safety & emergency featuresEmergency SOS; satellite SOS and messaging; international emergency calling; siren; flashlight; Fall Detection; Crash Detection; Check In; noise monitoring; emergency waypoints | Safety & emergency featuresEmergency SOS; international emergency calling; fall detection; crash detection; check in |
| Diving / depth featuresDepth gauge to 6 m; water-temperature sensor | Diving / depth featuresDepth gauge to 6 m; water-temperature sensor | Diving / depth featuresRecreational scuba diving to 40 m; automatic dive launch at 1 m; current/maximum depth and duration; GPS entry/exit points; depth gauge and water temperature | Diving / depth featuresDepth gauge and water-temperature sensor for recreational underwater activity to 6 m |
| Battery lifeUp to 24 hours normal use; up to 38 hours Low Power Mode; up to 10 hours outdoor workout | Battery lifeUp to 24 hours normal use; up to 38 hours Low Power Mode; up to 10 hours outdoor workout | Battery lifeUp to 50 hours normal use; up to 84 hours Low Power Mode; up to 18 hours outdoor workout; up to 25 hours Extended Workout; up to 45 hours Max Extended Workout | Battery lifeUp to 18 hours normal use; up to 36 hours in Low Power Mode |
| ChargingFast-charge capable; up to 80% in about 30 minutes; 15 minutes for up to 12 hours normal use; 5 minutes for up to 10 hours sleep tracking | ChargingFast-charge capable; up to 80% in about 30 minutes; 15 minutes for up to 12 hours normal use; 5 minutes for up to 10 hours sleep tracking | ChargingFast-charge capable; up to 80% in about 45 minutes; 15 minutes for up to 18 hours normal use; 5 minutes for up to 10 hours sleep tracking | ChargingFast charging; about 8 hours of normal use from 15 minutes charge |
| Water resistance50 m swimproof under ISO 22810:2010 | Water resistance50 m swimproof under ISO 22810:2010 | Water resistance100 m under ISO 22810:2010; suitable for swimming, snorkeling, scuba and high-speed water sports | Water resistanceWater resistant to 50 m under ISO 22810:2010 |
| Durability / certificationsIP6X dust resistance | Durability / certificationsIP6X dust resistance | Durability / certificationsIP6X dust resistance under IEC 60529; EN 13319 recreational diving to 40 m; tested to MIL‑STD‑810H | Durability / certificationsIP6X dust resistant |
| Phone compatibilityiPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later | Phone compatibilityiPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later | Phone compatibilityiPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later | Phone compatibilityRequires iPhone XS or later with iOS 18 or later |
| ColorsAluminum: Dark Bronze, Light Gold, Black, Space Gray; titanium: Radiant Gold, Natural; ceramic: Pearl White, Night Blue | ColorsAluminum: Dark Bronze, Light Gold, Black, Space Gray; titanium: Radiant Gold, Natural; ceramic: Pearl White, Night Blue | ColorsNatural titanium; black titanium | ColorsAluminium: Jet Black, Rose Gold, Silver Titanium: Natural, Gold, Slate |
Specs
Apple Watch Series 12 42mm specifications
- Brand
- Apple
- Model
- Apple Watch Series 12 42mm
- Announced
- 9 September 2026
- Dimensions
- Aluminum or titanium: 42 × 37 × 9.7 mm; ceramic: 43 × 37 × 9.85 mm
- Weight
- Aluminum GPS: 32.2 g; aluminum GPS + Cellular: 31.5 g; titanium: 36.5 g; Pearl White ceramic: 41.7 g; Night Blue ceramic: 42.8 g
- Build materials
- Aluminum, titanium or ceramic case, depending on configuration
- Wrist size
- 130–200 mm
- Controls / buttons
- Digital Crown with haptic feedback; side button; band-release button; single tap, double tap and wrist flick gestures
- Display
- Always-On Retina LTPO3 wide-angle OLED
- Screen resolution
- 374 × 446 pixels, 326 ppi; 970 mm² display area
- Display protection
- Ceramic Shield 2 on aluminum cases; sapphire front crystal on titanium and ceramic cases
- Display features
- 1 Hz refresh; up to 2,000 nits peak brightness; 1 nit minimum brightness
- Processor
- Apple S11 chip; 4-core Neural Engine
- CPU
- 64-bit dual-core
- GPU
- PowerVR
- Storage
- 64 GB
- Operating system
- watchOS 27
- Network / cellular
- 5G RedCap and LTE on GPS + Cellular models; international roaming supported
- SIM / eSIM
- eSIM on GPS + Cellular models
- Wi-Fi
- Wi‑Fi 4 (802.11n), 2.4 GHz and 5 GHz
- Bluetooth
- Bluetooth 5.3
- NFC
- Supported; Apple Pay
- Positioning / GNSS
- Precision L1 GPS; GLONASS; Galileo; QZSS; BeiDou
- Ultra Wideband (UWB)
- Second-generation Ultra Wideband chip
- Speaker
- Speaker with media playback
- Microphone
- Microphone with Voice Isolation
- Calling
- Bluetooth calling; cellular calling on GPS + Cellular models; international emergency calling
- Sensors
- High-g accelerometer; high dynamic-range gyroscope; compass; always-on altimeter; ambient-light sensor; third-generation electrical heart sensor; always-on optical heart sensor; blood-oxygen sensor; temperature sensor; depth gauge; water-temperature sensor
- Health & wellness features
- Heart rate and HRV; Blood Oxygen; ECG; respiratory rate; wrist temperature; Readiness and Vitals; high/low heart-rate and irregular-rhythm notifications; cycle tracking; hypertension notifications
- Sleep tracking
- Sleep duration and stages; sleep score; sleep-apnea notifications
- Sports / workout modes
- Running; hiking; cycling; pool and open-water swimming; skiing; snowboarding; rowing; paddling; golf; walking; HIIT; yoga; strength; dance; Pilates; Tai Chi; kickboxing; multisport and more
- Training & outdoor features
- Custom workouts and views; Training Load; heart-rate zones; VO₂ max; Race Route; Pacer; running dynamics; automatic track detection; offline maps, routes, waypoints and Backtrack
- Safety & emergency features
- Emergency SOS; international emergency calling; Fall Detection; Crash Detection; flashlight; Check In; noise monitoring; emergency waypoints
- Diving / depth features
- Depth gauge to 6 m; water-temperature sensor
- Battery life
- Up to 24 hours normal use; up to 38 hours Low Power Mode; up to 10 hours outdoor workout
- Charging
- Fast-charge capable; up to 80% in about 30 minutes; 15 minutes for up to 12 hours normal use; 5 minutes for up to 10 hours sleep tracking
- Water resistance
- 50 m swimproof under ISO 22810:2010
- Durability / certifications
- IP6X dust resistance
- Phone compatibility
- iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later
- Colors
- Aluminum: Dark Bronze, Light Gold, Black, Space Gray; titanium: Radiant Gold, Natural; ceramic: Pearl White, Night Blue