Apple Watch Ultra 4 is a GPS + Cellular smartwatch built for running and sports. It has a titanium case and a sapphire crystal display, and it is water resistant up to 100m. It comes with a Translucent Black Ocean Band.
The battery lasts up to 45 hours of Max Extended Workout tracking. Fast charging gives up to 18 hours of use from a 15-minute charge. Heart rate sensing takes background readings every five seconds and measures HRV as often as every five minutes, for insights on stress and recovery. The Vitals app shows overnight health metrics, and the watch also gives a daily sleep score, cycle tracking and blood oxygen readings. A readiness score draws on recent activity, vitals and sleep.
For workouts, it has dual-frequency GPS, Pacer, Heart Rate Zones, Custom Workouts and training load. It can detect a hard fall or severe car crash. Satellite communications let you text emergency services without cell service or Wi-Fi. With cellular, you can make and take calls and stream music and podcasts without your iPhone. Siri AI and Audio Intelligence features such as Live Rewind and Siri Recap are also included.
- Model
- Apple Watch Ultra 4, MJAY4LS/A
- Connectivity
- GPS + Cellular, satellite communications
- Case size
- 49mm
- Case
- Black titanium
- Display
- Sapphire crystal
- Band
- Translucent Black Ocean Band
- Water resistance
- Up to 100m
- Battery life
- Up to 45 hours of Max Extended Workout tracking
- Fast charging
- Up to 18 hours of use from a 15-minute charge
- Health tracking
- Heart rate, HRV, blood oxygen, sleep score, cycle tracking, Vitals app, readiness score