Apple Watch Ultra 2: specs, who it fits and compatible phones
Apple Watch Ultra 2 is a smartwatch released in 2023 that works with iPhone. It lists Dual-band GNSS + maps, Apple Pay and Sapphire.
Specifications
| Release year | 2023 · Archive |
|---|---|
| Case size | 49 mm |
| Display | OLED, Always-On |
| Brightness | 3000 nits |
| Battery as listed | Up to 36 hours (72 hours in low power mode) |
| Glass | Sapphire |
| Case material | Titanium |
| GPS type | Dual-band GNSS + maps |
| Offline maps | Yes |
| Operating system | watchOS 10 (still updated) |
| Works with | iPhone |
| Connection | eSIM · LTE |
| Contactless wallet | Apple Pay |
| Plan needed | None |
| Health sensors | SpO2, HRV, Skin temperature, ECG, Sleep apnea |
| Safety features | SOS, Fall detection |
Archive label: released at least 30 months ago. This does not indicate current availability or support.
Who it fits
- Works with iPhone.
- Lists dual-band GPS and offline maps, which suits running and hiking.
- Lists SOS or fall detection, see our guide for older adults.
How it compares
Closest models from Apple
| Model | Release year | Case size | Battery as listed | Water rating | GPS type | Works with |
|---|---|---|---|---|---|---|
| Apple Watch Series 9 | 2023 | 41 / 45 mm | Up to 18 hours (36 hours in low power mode) | IP6X | Standard GPS | iOS only |
| Apple Watch SE (2nd gen) | 2022 | 40 / 44 mm | Up to 18 hours | Not listed | Standard GPS | iOS only |
| Apple Watch Series 10 | 2024 | 42 / 46 mm | Up to 18 hours (36 hours in low power mode) | IP6X | Standard GPS | iOS only |
Compared with Apple Watch Series 9, Apple Watch Ultra 2 lists dual-band GPS, where Apple Watch Series 9 lists single-band, a brighter listed display (3000 nits against 2000) and Titanium case material, where Apple Watch Series 9 lists Aluminum / stainless steel.
Compared with Apple Watch SE (2nd gen), Apple Watch Ultra 2 lists dual-band GPS, where Apple Watch SE (2nd gen) lists single-band, a newer release year (2023 against 2022) and a brighter listed display (3000 nits against 1000).
Compared with Apple Watch Series 10, Apple Watch Ultra 2 lists dual-band GPS, where Apple Watch Series 10 lists single-band, an older release year (2023 against 2024) and a brighter listed display (3000 nits against 2000).
Only values listed exactly are compared.
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
- Apple smartwatches
- All models
Last verified September 26, 2026
Features change with updates. Check the maker's current details. See our methodology