General
- Brand Apple
- Model Watch Ultra 4
- Device Smart watches
- Added September 9, 2026
- Updated September 18, 2026
Launch
- Announced 2026, September 09
- Status Available. Released 2026, September 18
Network
- Technology GSM / HSPA / LTE / 5G
- 2G bands GSM 850 / 900 / 1800 / 1900
- 3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
- 4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 53, 66, 71
- 5G bands 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 38, 40, 41, 53, 66, 71 SA/NSA
- Speed HSPA, LTE, 5G
Body
- Dimensions 49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in)
- Weight 63 g (2.22 oz)
- Build Sapphire crystal front, ceramic/zirconia back, titanium frame (grade 5)
- SIM eSIM
- Others IP6X certified 100m water resistant (22810:2010) 40m swimproof/diving (EN13319) MIL-STD-810H compliant ECG certified (region dependent SW application; HW available on all models)
Display
- Type Retina LTPO3 OLED, 3000 nits (peak)
- Size 1.98 inches
- Resolution 514 x 422 pixels (~314 ppi density)
- Protection Sapphire crystal glass
- Features Wide-angle OLED
Platform
- OS watchOS 27
- Chipset Apple S11
- CPU Dual-core
- GPU PowerVR
Memory
- Card slot No
- Internal 64 GB
Sound
- Loudspeaker Yes, with stereo speakers
- 3.5mm jack No
Connectivity
- WLAN Wi-Fi 802.11 b/g/n, dual-band
- Bluetooth 5.3, A2DP, LE
- GPS GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
- NFC Yes
- FM radio No
- USB No
Features
- Sensors Accelerometer, gyro, always-on heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water) Health Sensing System: third‑generation electrical heart sensor, always‑on optical heart sensor, blood oxygen sensor, temperature sensor Temperature sensing (0.01˚ accuracy) Depth gauge (±1m accuracy) Ultra Wideband (UWB) support (gen2 chip) Emergency SOS via satellite
Battery
- Type Non-removable Li-Ion
- Charging Wireless, 0-80% in 45 min
More
- Made by USA
- Color Natural, Black
- Models A3579
Camera
- Primary No