Apple Apple Watch Ultra 4
Apple's rugged sports watch with a 49mm titanium case, S11 chip, dual-frequency GPS and up to 50 hours of battery life (45 hours in Max Extended Workout mode), aimed at endurance athletes and outdoor use.
Chip
- Chip
- S11 chip with 64-bit dual-core processor
- Neural Engine
- 4-core Neural Engine
Display
- Type
- Always-On Retina display, wide-angle OLEDs, LTPO3, 1Hz refresh
- Resolution
- 422 × 514 pixels, 326 ppi, 1245 sq mm active display area
- Brightness
- 3000 nits peak, 1 nit minimum
- Cover
- Flat sapphire crystal
Storage
- Capacity
- 64GB
Audio
- Speakers
- Dual speakers, media playback, siren
- Microphones
- Three-microphone array with beamforming and wind noise mitigation
- Audio Intelligence
- Live Rewind, Siri Recap, Shazam, Sound Recognition (requires paired iPhone 16 or later)
Connectivity
- Cellular
- Model A3579: RedCap 5G and LTE. FDD-5G NR bands n1/n2/n3/n5/n7/n8/n12/n14/n20/n25/n26/n28/n66/n71; TDD-5G NR n38/n40/n41/n53; FDD-LTE 1/2/3/4/5/7/8/12/13/14/17/18/19/20/25/26/28/66/71; TDD-LTE 38/39/40/41/53
- Wi-Fi
- Wi-Fi 4 (802.11n), 2.4GHz and 5GHz
- Bluetooth
- Bluetooth 5.3
- GPS
- Precision dual-frequency GPS (GPS, Galileo, QZSS, BeiDou)
- Ultra Wideband
- Second-generation Ultra Wideband chip
- Satellite
- Satellite communications for Emergency SOS, Messages, and Find My
- Payments
- Apple Pay
Battery
- Battery life
- Up to 50 hours normal use; up to 84 hours in Low Power Mode
- Workout battery
- Up to 18h outdoor workout, up to 25h Extended Workout, up to 45h Max Extended Workout
- Type
- Built-in rechargeable lithium-ion, fast-charge capable
- Charging
- Up to 80% charge in about 45 minutes; 15 min gives up to 18h normal use; charges via included Apple Watch Magnetic Fast Charger to USB-C Cable (1m)
Sensors
- Health sensing
- Second-generation electrical heart sensor, always-on optical heart sensor, blood oxygen sensor, temperature sensor
- Motion
- High-g accelerometer, high dynamic range gyroscope
- Environmental
- Depth gauge, water temperature sensor, compass, always-on altimeter, ambient light sensor
Health
- Apps
- Readiness, Vitals (heart rate, respiratory rate, wrist temperature, sleep duration, HRV), Blood Oxygen, ECG, Heart Rate, Sleep (with stages and score), Advanced Cycle Tracking, Medications, Mindfulness, Noise
- Notifications
- High/low heart rate, irregular rhythm, recovery HRV, sleep apnea, hypertension
Physical
- Case
- 49mm Grade 5 titanium, natural or black finish
- Dimensions
- Height 49mm, width 44mm, depth 12mm
- Weight
- 63.0g (natural) / 63.1g (black)
- Fit
- Fits 130–210mm wrists
- Water/dust resistance
- 100m water resistance (ISO 22810:2010); recreational scuba diving to 40m (EN13319, ±1m); IP6X dust resistance (IEC 60529)
- Durability
- Tested to MIL-STD 810H (altitude, temperature, shock, vibration, immersion, freeze/thaw)
Operating systems
- OS
- watchOS 27
- Compatibility
- Requires iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later