Apple Watch Ultra 4 is the most rugged and capable Apple Watch, built for athletes, divers and adventurers. A 49mm grade 5 titanium case, the brightest Apple Watch display, the new Health Sensing System and up to 50 hours of battery life make it ready for anything – from long trail runs to recreational dives to multi-day trips.
Key Features
- Multi-day battery – up to 50 hours of normal use, up to 84 hours in Low Power Mode and up to 18 hours of outdoor workout tracking – perfect for marathons, triathlons and long hikes.
- Brightest Apple Watch display – Always-On Retina display with wide-angle OLED and LTPO3, flat sapphire crystal and up to 3000 nits, plus Night Mode for low-light use.
- Health Sensing System – upgraded heart sensors with blood oxygen and temperature sensing for detailed health and recovery insights.
- Built for the outdoors – grade 5 titanium case, 100 m water resistance, IP6X dust resistance and certified for recreational scuba diving to 40 m.
- Dive and water tools – depth gauge and water temperature sensor for swimming, snorkeling and diving.
- Customizable Action button – start a workout, mark a waypoint or launch your favorite feature with one press.
- S11 chip – fast performance for Audio Intelligence (Live Rewind, Siri Recap, Shazam, Sound Recognition) and Siri AI.
- Easy gestures – single tap, double tap and wrist flick gestures for hands-free control.
- 5G and LTE – cellular connectivity built in, so you can call, text and stream without your iPhone.
Design
- Case: 49mm grade 5 titanium
- Colors: Natural, Black
- Size: 49 × 44 × 12 mm
- Weight: 63 g
- Fits wrists: 130–210 mm
Display
- Type: Always-On Retina display, wide-angle OLED, LTPO3
- Resolution: 422 × 514 pixels, 326 ppi
- Glass: Flat sapphire crystal
- Brightness: Up to 3000 nits, down to 1 nit
Performance
- Chip: S11 with 64-bit dual-core processor and 4-core Neural Engine
- Storage: 64GB
Health and sensors
- Health Sensing System: Electrical heart sensor, always-on optical heart sensor, blood oxygen sensor, temperature sensor
- Other sensors: Depth gauge, water temperature sensor, compass, always-on altimeter, high-g accelerometer, high dynamic range gyroscope, ambient light sensor
Battery
- Normal use: Up to 50 hours
- Low Power Mode: Up to 84 hours
- Outdoor workout: Up to 18 hours
- Max Extended Workout: Up to 45 hours
- Charging: Fast charge capable
Durability and connectivity
- Water resistance: 100 m, recreational scuba diving to 40 m (EN13319)
- Dust resistance: IP6X
- Cellular: 5G (RedCap) and LTE
Software
- Operating system: watchOS 27
In the Box
- Apple Watch Ultra 4 case
- Band
- Apple Watch Magnetic Fast Charger to USB-C Cable (1 m)
