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| Feature | Apple Watch Ultra 4 TBA |
|---|---|
| Status | Available |
| Display | 1.98″ Always-On Retina LTPO3 wide-angle OLED |
| Chipset | Apple S11 SiP |
| RAM / Storage | — GB / 64 GB |
| Battery | — |
| 5G | Yes |
| Launch Announced | 2026, September 09 |
| Launch Released | 2026, September 18 |
| Body Case sizes | 49 mm |
| Body Material | Grade 5 titanium |
| Body Water resistance | 50 meters or better depending on model |
| Body Dust resistance | IP6X |
| Display Type | Always-On Retina LTPO3 wide-angle OLED |
| Display Resolution | 422 x 514 pixels |
| Display Brightness | Up to 3000 nits |
| Display Refresh rate | Down to 1Hz |
| Platform OS | watchOS 27 |
| Platform Chipset | Apple S11 SiP |
| Platform Processor | 64-bit dual-core processor |
| Platform Neural Engine | 4-core Neural Engine |
| Memory Storage | 64GB |
| Connectivity Wi-Fi | 2.4GHz and 5GHz Wi-Fi |
| Connectivity Bluetooth | 5.3 |
| Connectivity NFC | Yes, Apple Pay |
| Connectivity GPS | GPS/GNSS |
| Connectivity Cellular | 5G/LTE on supported cellular versions |
| Health & Sensors Health system | Apple Health Sensing System where equipped |
| Health & Sensors Heart rate | Optical and electrical heart sensing where supported |
| Health & Sensors Temperature sensing | Yes |
| Health & Sensors Sensors | Compass, altimeter, accelerometer, gyroscope, ambient light sensor |
| Health Features Readiness score | Yes |
| Health Features Sleep tracking | Yes |
| Health Features Sleep score | Yes |
| Health Features Sleep apnea notifications | Supported |
| Health Features Hypertension notifications | Supported where available |
| Health Features Safety | Fall Detection, Crash Detection, Emergency SOS |
| Battery Battery life | Up to 50 hours normal use |
| Battery Low Power Mode | Up to 84 hours |
| Battery Charging | Fast charging supported |
| Features Extra | Health Sensing System, readiness score, Audio Intelligence, dual-frequency GPS, satellite communications, Action button, siren, dive support to 40m |
| Misc Colors | Natural Titanium, Black Titanium |