Apple Watch Series 12 Technical Specifications
Material and Finish
Aluminum case
Dark Bronze, Light Gold, Black, Space Gray
Titanium case
Radiant Gold, Natural
Ceramic case
Pearl White, Night Blue
Size and Weight
- Height (aluminum, titanium): 46mm
- Height (ceramic): 47mm
- Width (aluminum, titanium): 40mm
- Width (ceramic): 41mm
- Depth (aluminum, titanium): 9.7mm
- Depth (ceramic): 9.85mm
- 416 by 496 pixels
- 1196 sq mm display area
- Weight (aluminum, GPS): 39.5 grams
- Weight (aluminum, 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 140–245mm wrists
- Height (aluminum, titanium): 42mm
- Height (ceramic): 43mm
- Width: 37mm
- Depth (aluminum, titanium): 9.7mm
- Depth (ceramic): 9.85mm
- 374 by 446 pixels
- 970 sq mm display area
- Weight (aluminum, GPS): 32.2 grams
- Weight (aluminum, 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 130–200mm 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 centered 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 apnea notifications10
- Hypertension notifications11
Display
- Always‑On Retina display with wide‑angle OLEDs and LTPO3
- 1Hz refresh
- Active area (42mm): 374 by 446 pixels, 326 pixels per inch
- Active area (46mm): 416 by 496 pixels, 326 pixels per inch
- Ceramic Shield 2 (aluminum cases)
- Sapphire front crystal (titanium and ceramic cases)
- 2000 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 use12
- Up to 38 hours in Low Power Mode12
- Up to 10 hours outdoor workout13
- Built‑in rechargeable lithium‑ion battery
- Fast‑charge capable14
- Up to 80% charge in about 30 minutes14
- 15 minutes for up to 12 hours of normal use15
- 5 minutes for up to 10 hours of sleep tracking15
Workouts and Activity
- Custom workouts
- Customizable Workout Views
- Training Load
- Heart Rate Zones (customizable)
- Postworkout heart rate
- VO2 max
- Race Route
- Pacer
- Cadence, Stride Length, Ground Contact Time, Vertical Oscillation, and Running Power
- Multisport workout
- Heart Rate Zone, pace, and target alerts
- Compass with bearing, incline, elevation, and coordinates
- Custom waypoints
- Automatically generated waypoints to cellular connectivity
- Backtrack GPS data
- Offline maps with custom route creation16
- Topographic maps for thousands of national and regional parks (U.S. only)
- Hundreds of curated hikes across all 63 U.S. national parks
- 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
- Custom workouts for pool swims
- Splits and auto sets
- SWOLF score
- Automatic stroke detection
- Kickboard detection
- Average pace, total distance, and laps
More Workouts
Connectivity
- All models
- Support for 2.4GHz and 5GHz Wi‑Fi networks
- Wi‑Fi 4 (802.11n)
- Bluetooth 5.3
- Precision L1 GPS (GPS, GLONASS, Galileo, QZSS, and BeiDou)
- Second‑generation Ultra Wideband chip21
- Apple Pay
- GymKit
- Models A3582 and A3587
- LTE22
- 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)
Accessibility
Built‑in accessibility features supporting vision, mobility, hearing, and cognitive disabilities.
- VoiceOver
- Zoom
- On/Off Labels
- Reduce Transparency
- Increase Contrast
- Color Filters
- Text Size
- Bold Text
- Reduce Motion
- Hourly Chimes
- AssistiveTouch
- Button Click Speed
- Touch Accommodations
- Auto‑Answer Calls
- 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:
32° to 95° F (0° to 35° C)
Nonoperating storage temperature:
–4° to 113° F (–20° to 45° C)
Relative humidity:
5% to 90% noncondensing
Operating altitude:
0 feet to 10,000 feet (0m to 3000m)
