Apple Watch Ultra 3 Specifications
Design & Build
| Case size(s) | 49 mm |
|---|---|
| Variants (India) | Single model (49 mm, GPS + Cellular) |
| Dimensions (H × W × T) | 49 × 44 × 12 mm |
| Weight | Natural titanium: 61.6 g Black titanium: 61.8 g |
| Case material | Titanium (Grade 5) |
| Display glass / lens | Flat sapphire crystal |
| Strap width / size | Fits 130–210 mm wrists |
| Water & dust resistance | 100 m water resistance (swim, snorkel, scuba, high-speed water sports), IP6X dust resistance Recreational scuba diving: up to 40 m |
| Colour options | Natural titanium, Black titanium |
| Buttons / crown | Digital Crown with haptic feedback, Action button, side button |
Display
| Display type | Always-On Retina LTPO3 OLED with wide-angle OLEDs |
|---|---|
| Resolution | 422 × 514 pixels |
| Pixel density | 326 ppi |
| Peak brightness | 3,000 nits |
| Always-on display | Yes |
| Touchscreen | Yes |
| Minimum brightness | 1 nit |
| Refresh rate | down to 1 Hz in always-on mode |
| Display area | 1,245 mm² |
| Night Mode | Modular Ultra, Wayfinder and Orienteering watch faces |
Performance & Software
| Chipset / processor | S10 chip with 64-bit dual-core processor, 4-core Neural Engine |
|---|---|
| Storage | 64 GB |
| Operating system | watchOS |
| AI features | Workout Buddy (needs a nearby Apple Intelligence-enabled iPhone) |
| Other | On-device Siri |
Connectivity
| Bluetooth | Bluetooth 5.3 |
|---|---|
| Wi-Fi | Wi-Fi 4 (802.11n), 2.4 / 5 GHz |
| Cellular / eSIM | 5G and LTE |
| GPS / GNSS | L1 and L5 precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, BeiDou) |
| Ultra Wideband | second-generation chip |
| International roaming | Yes |
Calling & Audio
| Speaker | Yes |
|---|---|
| Voice assistant | Siri (on-device) |
| Siren | audible up to 180 m (Action button) |
Health Tracking
| Heart rate | Heart Rate app, heart rate notifications, irregular rhythm notifications |
|---|---|
| SpO2 (blood oxygen) | Blood Oxygen app |
| ECG | Yes (ECG app) |
| Skin temperature | Temperature sensor, wrist temperature tracking during sleep |
| Sleep tracking | Sleep app with sleep stages, sleep score, sleep apnoea notifications |
| Women's health | Cycle Tracking app |
| Other | Hypertension notifications |
| Other | Medications app |
| Other | Mindfulness app |
| Other | Noise app |
Sports & Fitness
| Training insights | Heart Rate Zones, training load, Pacer, running power |
|---|---|
| Swimming tracking | Automatic swim stroke detection and auto sets |
| Maps & navigation | Backtrack (GPS path of where you have been) |
| Workout Buddy | personalised audible motivation |
| Dive computer | Oceanic+ app, depth gauge up to 40 m |
| Water temperature sensor | Yes |
Sensors
| Sensors | Electrical heart sensor, third-generation optical heart sensor, blood oxygen sensor, temperature sensor, depth gauge, water temperature sensor, compass, altimeter, accelerometer, gyroscope, ambient light sensor |
|---|
Smart Features
| Music | Download music and podcasts for playback on the watch |
|---|---|
| Emergency SOS / fall detection | Emergency SOS, Fall Detection, Crash Detection, Check In, siren |
| Flashlight | display illuminates nearby objects |
Battery & Charging
| Battery life (typical) | Up to 42 hours (normal use) |
|---|---|
| Battery life (heavy use / GPS) | Up to 20 hours of workout with full GPS and heart rate monitoring in Low Power Mode |
| Charging method | Magnetic fast charger with USB-C cable (1 m) |
| Fast charging | Up to 80% in about 45 minutes 15 minutes for up to 12 hours of normal use 5 minutes for up to 8 hours of sleep tracking |
| Low Power Mode | up to 72 hours |
In the Box & Warranty
| Box contents | Apple Watch Ultra 3, strap, Apple Watch Magnetic Fast Charger to USB-C Cable (1 m) |
|---|
Similar specifications
Other Smartwatch specification sheets close in price
