Nothing CMF Watch 3 Pro: specs, who it fits and compatible phones
CMF Watch 3 Pro is a smartwatch released in 2025 that works with iPhone and Android.
Specifications
| Release year | 2025 |
|---|---|
| Case size | 46 mm (approx.) |
| Display | AMOLED |
| Battery as listed | Up to 13 days |
| Water rating | 5ATM (approx.) |
| Case material | Metal |
| GPS type | Dual-band GNSS |
| Operating system | Nothing OS |
| Works with | iPhone and Android |
| Connection | None |
| Plan needed | None |
| Health sensors | SpO2, Heart rate |
Who it fits
- Works with iPhone and Android.
- Lists a battery above the median of 89 listed smartwatch models.
How it compares
Closest models from other brands
| Model | Release year | Case size | Battery as listed | Water rating | GPS type | Works with |
|---|---|---|---|---|---|---|
| Amazfit Bip 6 | 2025 | 46.3 mm | Up to 14 days | 5ATM | Dual-band GNSS | iOS and Android |
| Garmin Venu 4 | 2025 | 41 / 45 mm | Up to 12 days | 5ATM | Dual-band GNSS | iOS and Android |
| Huawei Watch Fit 4 Pro | 2025 | 44.6 mm | Up to 10 days | 5ATM | Dual-band GNSS + maps | iOS and Android |
Compared with Amazfit Bip 6, CMF Watch 3 Pro lists Metal case material, where Amazfit Bip 6 lists Aluminum.
Compared with Huawei Watch Fit 4 Pro, CMF Watch 3 Pro lists a longer listed battery (13 days against 10) and Metal case material, where Huawei Watch Fit 4 Pro lists Titanium/aluminum.
Only values listed exactly are compared.
Phone compatibility and plan
No plan is listed as needed.
Sensors and features are listed as the maker names them and are not medical measurements.
Related guides and lists
Last verified September 26, 2026
Features change with updates. Check the maker's current details. See our methodology