4.9Health tracking4.9
Why is Watch C3 better than Pro 3 Ultra?
- Battery life (smartwatch mode)10 days vs 3 days3.3×
- Screen size1.85″ vs 1.4″+32%
- Thickness11.8 mm vs 12.2 mm+3%
Why is Pro 3 Ultra better than Watch C3?
- Storage4 GB vs 8 GB2×
- Resolution (width)240 px vs 454 px+89%
- Battery capacity350 mAh vs 577 mAh+65%
Specifications
Side by side
| Design & durability | ||
| Weight | — | 41 g |
| Thickness | 11.8 mm | 12.2 mm |
| Height | — | 47 mm |
| Width | — | 48 mm |
| Case material | Plastic / polymer | Stainless steel |
| Lens / cover glass | Kunststoffglas | Gorillaglas |
| Strap material | Gummi, Nylon | Kautschuk |
| Water resistance | 2 ATM | — |
| Water rating (maker) | 2 ATM | — |
| Colours | — | Black |
| Display | ||
| Screen size | 1.85″ | 1.4″ |
| Display technology | — | AMOLED |
| Panel | — | AMOLED |
| AMOLED / OLED display | — | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 240 px | 454 px |
| Resolution (height) | 280 px | 454 px |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | 3 days |
| Battery life (hours) | — | 72 h |
| Battery capacity | 350 mAh | 577 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, SpO2 | heart rate, SpO2, barometer, accelerometer |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Satellite systems | — | GPS, GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Multisport / triathlon mode | — | Yes |
| Connectivity | ||
| NFC payments | — | Yes |
| Wi-Fi | — | Wi-Fi 4 |
| Bluetooth | 5.3 | 5 |
| Smart features | ||
| Speaker | — | Yes |
| Microphone | — | Yes |
| Music on the watch | Yes | Yes |
| Storage | 4 GB | 8 GB |
| RAM | — | 1 GB |
| Platform | ||
| Operating system | — | Wear OS by Google |
| Platform | — | Wear OS |
| Chipset | — | Qualcomm Snapdragon Wear 4100 |









