Apple Watch Series 12 is a GPS + Cellular smartwatch with a 42mm black aluminum case and a black Sport Band. It tracks heart rate in the background every five seconds. It also measures HRV as often as every five minutes, for insights on stress and recovery.
For health, it offers hypertension notifications, cycle tracking, a daily sleep score, blood oxygen readings and overnight metrics in the Vitals app. A readiness experience analyzes recent activity, vitals and sleep. For fitness, it includes Pacer, Heart Rate Zones and advanced workout metrics. Workout Buddy runs on Apple Intelligence from a nearby iPhone.
The aluminum case has Ceramic Shield 2 glass. Fall detection and severe car crash detection can connect you with emergency services and notify your emergency contacts. With cellular, you can make and take calls, stream music and podcasts, and listen with AirPods without your iPhone nearby. Siri AI and Audio Intelligence features such as Live Rewind and Siri Recap are supported, with some features in beta and usage limits.
- Model
- Apple Watch Series 12 (2026)
- Case size
- 42mm
- Case material
- Black aluminum
- Band
- Black Sport Band
- Connectivity
- GPS + Cellular
- Display glass
- Ceramic Shield 2
- Battery life
- Up to 24 hours of normal use
- Fast charging
- 15 minutes for up to 12 hours of normal use
- Health features
- Heart rate, HRV, hypertension notifications, cycle tracking, sleep score, blood oxygen, Vitals app
- Safety
- Fall detection, severe car crash detection, Emergency SOS