Apple Watch Series 12 Technical Specifications
Material and Finish
Aluminium case
Dark Bronze, Light Gold, Black, Space Grey
Titanium case
Radiant Gold, Natural
Ceramic case
Pearl White, Night Blue
Size and Weight
- Height (aluminium, titanium): 46 mm
- Height (ceramic): 47 mm
- Width (aluminium, titanium): 40 mm
- Width (ceramic): 41 mm
- Depth (aluminium, titanium): 9.7 mm
- Depth (ceramic): 9.85 mm
- 416 by 496 pixels
- 1,196-sq-mm display area
- Weight (aluminium, GPS): 39.5 grams
- Weight (aluminium, GPS + Cellular): 38.6 grams
- Weight (titanium): 44.9 grams
- Weight (Pearl White ceramic): 51.3 grams
- Weight (Night Blue ceramic): 52.9 grams
- Fits 140–245-mm wrists
- Height (aluminium, titanium): 42 mm
- Height (ceramic): 43 mm
- Width: 37 mm
- Depth (aluminium, titanium): 9.7 mm
- Depth (ceramic): 9.85 mm
- 374 by 446 pixels
- 970-sq-mm display area
- Weight (aluminium, GPS): 32.2 grams
- Weight (aluminium, GPS + Cellular): 31.5 grams
- Weight (titanium): 36.5 grams
- Weight (Pearl White ceramic): 41.7 grams
- Weight (Night Blue ceramic): 42.8 grams
- Fits 130–200-mm wrists
Hardware and Buttons
Controls
- Digital Crown with haptic feedback
- Side button
- Single tap, double tap, and wrist flick gestures
- Siri powered by Apple Intelligence1
Chip
- S11 chip with 64-bit dual-core processor
- Audio intelligence (Live Rewind, Siri Recap, Shazam, Sound Recognition)2
- 4-core Neural Engine
- 64GB capacity
Apple Intelligence and Siri AI1
The next generation of Apple Intelligence is centred around you, integrated into your apps and built with privacy. Apple Intelligence powers Siri AI — an entirely new version of Siri that’s more personal, conversational and powerful, along with helpful features across apps.
Health and Wellness
- Readiness app
- Vitals app with heart rate, respiratory rate, wrist temperature, sleep duration and heart rate variability (HRV)5
- Blood Oxygen app3
- ECG app6
- Heart Rate app
- High- and low-heart-rate notifications
- Recovery HRV
- High‑frequency background heart rate tracking
- Irregular rhythm notifications7
- Advanced Cycle Tracking app with fertile window estimates, retrospective ovulation estimates, and perimenopause and menopause support8
- Medications app9
- Mindfulness app with state-of-mind tracking
- Noise app
- Sleep app including sleep stages
- Sleep score
- Sleep apnoea notifications10
Display
- Always‑On Retina display with wide‑angle OLEDs and LTPO3
- 1Hz refresh
- Active area (42 mm): 374 by 446 pixels, 326 pixels per inch
- Active area (46 mm): 416 by 496 pixels, 326 pixels per inch
- Ceramic Shield 2 (aluminium cases)
- Sapphire front crystal (titanium and ceramic cases)
- 2,000 nits peak brightness
- 1 nit minimum brightness
Audio
- Speaker
- Microphone
- Media playback
Power and Battery Life
- All‑day battery life, up to 24 hours of normal use11
- Up to 38 hours in Low Power Mode11
- Up to 10 hours outdoor workout12
- Built‑in rechargeable lithium‑ion battery
- Fast‑charge–capable13
- Up to 80% charge in about 30 minutes13
- 15 minutes for up to 12 hours of normal use14
- 5 minutes for up to 10 hours of sleep tracking14
Workouts and Activity
- Customised workouts
- Customisable Workout Views
- Training Load
- Heart Rate Zones (customisable)
- Post-workout heart rate
- VO2 max
- Race Route
- Pacer
- Cadence, Stride Length, Ground Contact Time, Vertical Oscillation and Running Power
- Automatic track detection
- Multisport workout
- Heart Rate Zone, pace and target alerts
- Compass with bearing, incline, elevation and coordinates
- Customised waypoints
- Automatically generated waypoints to mobile connectivity
- Backtrack GPS data
- Offline maps with customised route creation15
- Average speed, elevation gained and distance
- Connection to cycling accessories via Bluetooth®
- Functional Threshold Power
- Power Zones
- Cadence
- Live Activity on iPhone
- Pool swim or open-water swim
- Customised workouts for pool swims
- Splits and auto sets
- SWOLF score
- Automatic stroke detection
- Kickboard detection
- Average pace, total distance and laps
More Workouts
Connectivity
- Models A3582 and A3587
- Supports RedCap for 5G22 and LTE23
- FDD‑5G NR (Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n66, n71)
- TDD‑5G NR (Bands n38, n40, n41)
- FDD‑LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 66, 71)
- TDD‑LTE (Bands 38, 39, 40, 41)
- Support for Apple Watch For Your Kids24
Accessibility
Built‑in accessibility features supporting vision, mobility, hearing and cognitive disabilities.
- VoiceOver
- Zoom
- On/Off Labels
- Reduce Transparency
- Increase Contrast
- Colour Filters
- Text Size
- Bold Text
- Reduce Motion
- Hourly Chimes
- AssistiveTouch
- Button Click Speed
- Touch Accommodations
- Auto‑Answer Calls
- Type to Siri
- RTT Support
- Audio Volume Balance
- Auto Transcription
- Live Speech
- Accessibility Shortcut
- Mono Audio
- Taptic Time
- Personal Voice
- Live Listen
- Sound Recognition
Environmental Requirements
Operating temperature:
0° to 35° C (32° to 95° F)
Nonoperating storage temperature:
–20° to 45° C (−4° to 113° F)
Relative humidity:
5% to 90% noncondensing
Operating altitude:
0 metres to 3,000 metres (0 feet to 10,000 feet)
