Apple Watch Ultra 3 49mm
| Feature | Details |
| Case Material | Aerospace-grade Titanium (Available in Natural and Black) |
| Display | Always-On Retina LTPO3 OLED (Flat sapphire crystal) |
| 3,000 nits peak brightness; 1 nit minimum | |
| New 1Hz refresh rate for ticking seconds hand in Always-On mode | |
| Processor | S10 SiP with 4-core Neural Engine |
| Storage | 64GB |
| Durability | MIL-STD 810H; IP6X Dust Resistance |
| 100m Water Resistance; EN13319 scuba diving to 40m | |
| Health Sensors | Hypertension notifications, Sleep Apnea detection, ECG, Blood Oxygen |
| Water temperature sensor & Depth gauge | |
| Navigation | L1 and L5 Precision Dual-frequency GPS; Offline Maps |
| Connectivity | 5G Cellular support; Wi-Fi 4; Bluetooth 5.3; UWB Gen 2 |
| Safety | Emergency SOS via Satellite; 86-decibel Siren; Crash Detection |
| Battery Life | Up to 42 hours (Normal use) / 72 hours (Low Power Mode) |
| Fast Charge: 0–80% in ~45 minutes |