Samsung Galaxy Watch Ultra2: specs, who it fits and compatible phones
Galaxy Watch Ultra2 is a sport watch released in 2026 that works with Android. It lists Dual-band GNSS + maps, 10ATM · IP69K and Samsung Wallet.
Specifications
| Release year | 2026 |
|---|---|
| Case size | 47 mm |
| Display | AMOLED |
| Brightness | 5000 nits |
| Battery as listed | 800mAh · up to 4 days |
| Water rating | 10ATM · IP69K |
| Glass | Sapphire |
| Case material | Titanium |
| GPS type | Dual-band GNSS + maps |
| Offline maps | Yes |
| Operating system | Wear OS 7 · One UI 9 Watch |
| Works with | Android |
| Connection | eSIM · LTE |
| Contactless wallet | Samsung Wallet |
| Plan needed | None |
| Health sensors | SpO2, HRV, Skin temperature, ECG, Readiness score, Sleep apnea |
| Safety features | SOS, Fall detection |
Who it fits
- Works with Android.
- Lists dual-band GPS and offline maps, which suits running and hiking.
- Lists SOS or fall detection, see our guide for older adults.
Overview
The Galaxy Watch Ultra2 (August 2026) is Samsung's top outdoor watch: a 1.52-inch Super AMOLED rated at 5000 nits (the brightest smartwatch display at launch, according to Samsung), an 800mAh battery, the 3nm Snapdragon Wear Elite chip and dual-frequency GPS, in a 47mm titanium case with sapphire glass. It runs Wear OS 7 with One UI 9 Watch.
What it does well
- Professional diving support. Automatic dive tracking for depth, time and water temperature, with 10ATM, IP69K and EN13319 certification: rare outside dedicated dive computers.
- Battery leadership for Wear OS. 800mAh listed at up to 4 days, roughly 35% above the 2025 Ultra.
- Outdoor-ready navigation. Dual-frequency GPS plus offline maps.
- Full health stack. ECG, HRV, SpO2, temperature, sleep apnea detection and a readiness score.
- eSIM LTE for phone-free calls and data.
Tradeoffs to know
- $699.99 launch price puts it up against dedicated outdoor watches, many of which offer longer battery life.
- One size (47mm) and 61.5g: big and heavy for small wrists.
- Samsung's compatibility list requires Android 13 or newer for the Watch Ultra2 and lists iOS as not supported.
Price and availability
$699.99 official launch price. Retailer prices can change.
FAQ
Is the Galaxy Watch Ultra2 a real dive watch?
For recreational scuba it carries EN13319 certification with automatic depth, time and water-temperature tracking. It is not a technical-diving computer.
How long does the battery last?
Samsung lists up to 4 days from the 800mAh cell; heavy GPS and LTE use will be less.
Does it work with iPhone?
No. It pairs with Android phones, with the full experience on Samsung Galaxy phones.
Phone compatibility and plan
No plan is listed as needed. Has eSIM or LTE, so it can work without the phone if you add a carrier plan.
Sensors and features are listed as the maker names them and are not medical measurements.
Related guides and lists
- Battery life explained
- Phone compatibility
- Water resistance ratings
- Sensors explained
- Samsung smartwatches
- All models
Last verified September 26, 2026
Features change with updates. Check the maker's current details. See our methodology