| Product Type |
Premium Sports & Adventure Smartwatch |
| Model |
Apple Watch Ultra 4 |
| Operating System |
watchOS 27 |
| Case Size |
49mm |
| Case Material |
Grade 5 Titanium |
| Case Colours |
Natural Titanium, Black Titanium |
| Display |
Always-On Retina LTPO3 Wide-Angle OLED |
| Display Resolution |
422 × 514 pixels |
| Pixel Density |
326 ppi |
| Display Area |
1,245mm² |
| Peak Brightness |
Up to 3,000 nits |
| Minimum Brightness |
1 nit |
| Display Protection |
Flat Sapphire Crystal |
| Processor |
Apple S11 SiP, 64-bit dual-core |
| Neural Engine |
4-core Neural Engine |
| Storage |
64GB |
| Health Sensors |
3rd-generation electrical heart sensor, always-on optical heart sensor, blood oxygen sensor, temperature sensor |
| Health Features |
ECG, heart-rate monitoring, HRV, Blood Oxygen, sleep tracking, sleep score, sleep apnoea notifications, hypertension notifications, wrist temperature, Vitals app, Readiness app |
| Fitness Features |
Workout tracking, Training Load, Heart Rate Zones, running metrics, cycling, swimming, hiking, skiing, snowboarding and more |
| Diving |
Recreational scuba diving up to 40m, depth gauge and water-temperature sensor |
| GPS |
Precision dual-frequency GPS |
| Cellular |
GPS + Cellular with 5G RedCap + LTE |
| Wi-Fi |
Wi-Fi 4, 2.4GHz / 5GHz |
| Bluetooth |
Bluetooth 5.3 |
| Ultra Wideband |
2nd-generation UWB chip |
| NFC |
Supported — Apple Pay |
| Audio |
Dual speakers, 3-microphone array, Siren |
| Safety Features |
Emergency SOS, satellite communications, Fall Detection, Crash Detection, Check In, Backtrack |
| Battery Life |
Up to 50 hours normal use |
| Low Power Mode |
Up to 84 hours |
| Workout Battery |
Up to 18 hours standard / 25 hours extended / 45 hours Max Extended |
| Fast Charging |
0–80% in about 45 minutes |
| Water Resistance |
WR100 — suitable for swimming, snorkelling, scuba diving and high-speed water sports |
| Dust Resistance |
IP6X |
| Durability |
MIL-STD-810H tested |
| Operating Temperature |
−20°C to 55°C on wrist |
| Case Dimensions |
49 × 44 × 12mm |
| Weight |
63.0g Natural / 63.1g Black |
| Wrist Compatibility |
130–210mm |
| Controls |
Digital Crown, Side Button, customisable Action Button, touchscreen, wrist flick, double tap |
| Special Features |
Siri AI, Apple Intelligence, Precision Finding for iPhone, Readiness Score, advanced HRV tracking, satellite connectivity |
| Compatibility |
iPhone 11 or later with iOS 26 or later |
