Apple Watch Ultra 3: Specs, Key Features & Rivals
- Heaviest in class
This page brings together the key specs of the Apple Watch Ultra 3 from Apple, filed under rugged & outdoor watch. Line it up against the other rugged & outdoor watches we track and the Apple Watch Ultra 3 Is the heaviest watch. In its class, the Apple Watch Ultra 3 faces Garmin Venu X1, Garmin Forerunner 970 and Apple Watch Ultra 2.
- Case size (largest)49 mm
- Rated battery life42 h
- Peak brightness3,000 nits
- Water resistance100 m
- Weight (largest, no band)2.17 oz
- Launch price$799
Key Specifications
Display
| Display type | Always-On wide-angle LTPO3 OLED, flat sapphire |
|---|---|
| Resolution (largest) | 422 x 514 |
| Peak brightness | 3,000 nits |
| Always-on display | Yes |
Health & Fitness Sensors
| Optical heart rate | Yes |
|---|---|
| ECG | Yes |
| Blood oxygen | Yes |
| Skin temperature | Yes |
| GPS | L1 + L5 dual-frequency GPS (GLONASS, Galileo, QZSS, BeiDou) |
| Dual-frequency GPS | Yes |
Battery Life
| Rated battery lifeManufacturer rating, typical use | 42 h |
|---|---|
| Rated life in low-power modeManufacturer rating | 3 days |
| Charging | Fast charging, 0 to 80% in about 45 min |
Smart Features & Connectivity
| Chip | S10 |
|---|---|
| Storage | 64 GB |
| Cellular option | Yes |
| Contactless payments | Yes |
| Phone compatibility | iPhone only |
| Software | watchOS |
Design & Durability
| Case size (largest) | 49 mm |
|---|---|
| Available sizes | 49 mm |
| Water resistance | 100 m |
| Case material | Titanium |
| Thickness | 0.47 in |
| Weight (largest, no band) | 2.17 oz |
Price
| Launch price | $799 |
|---|
How It Stacks Up in the Rugged & Outdoor Watch Class
The Apple Watch Ultra 3 lands 217% under the class average on rated battery life. On peak brightness, the Apple Watch Ultra 3 sits 13% above the average for its class. Take the class average for water resistance, add 25%, and you have roughly where the Apple Watch Ultra 3 sits.
Compare Apple Watch Ultra 3 With Its Rivals
Other models in the same class:
Frequently Asked Questions
What is the release date of the Apple Watch Ultra 3?
The Apple Watch Ultra 3 went on sale with a release date of September 19, 2025.
What was the launch price of the Apple Watch Ultra 3?
Its launch price was $799, according to our data as of September 2025.
What are the main alternatives to the Apple Watch Ultra 3?
In its class, the Apple Watch Ultra 3 competes most directly with Garmin Venu X1, Garmin Forerunner 970, Apple Watch Ultra 2 and Apple Watch Ultra (1st gen).
How much does the Apple Watch Ultra 3 weigh?
According to the official specs, the Apple Watch Ultra 3 weighs 2.17 oz.