The Apple Watch Ultra 3 is a smartwatch with a rugged Grade 5 titanium case and the largest Apple Watch display to date. It has a wide-angle Retina LTPO3 OLED display with up to 3,000 nits of peak brightness. The always-on display uses a 1 Hz refresh rate to conserve battery.
It runs watchOS on the S10 dual-core processor with a 4-core Neural Engine and has 64 GB of storage. Sensors include a third-generation optical heart rate sensor, blood oxygen (SpO₂), temperature, altimeter, compass, depth gauge and ambient light. It also tracks ECG and sleep score.
GPS + Cellular lets it make calls and send texts and data when an iPhone isn't nearby. Dual-band GPS tracks routes and workout metrics outdoors. Satellite connectivity supports Emergency SOS messages and location sharing off the grid. Safety features include a built-in siren, fall detection and crash detection.
- Model
- A3281
- Display
- Retina LTPO3 OLED, up to 3,000 nits peak brightness, always-on with 1 Hz refresh rate
- Case material
- Grade 5 titanium
- Processor
- S10 dual-core with 4-core Neural Engine
- Storage
- 64 GB
- Connectivity
- GPS + Cellular, Wi-Fi, Bluetooth 5.3, satellite (Emergency SOS and location sharing)
- Navigation
- Dual-band GPS
- Sensors
- Third-generation optical heart rate, blood oxygen (SpO₂), temperature, altimeter, compass, depth gauge, ambient light
- Health tracking
- Heart rate, ECG, SpO₂, temperature, sleep score
- Safety
- Built-in siren, fall detection, crash detection, Emergency SOS
- Battery life