Dimensions
Size comparison
CR1 ProWatch S2
| CR1 Pro | Watch S2 | Difference | |
|---|---|---|---|
| Height | 45 mm | 46.5 mm | −1.5 mm |
| Width | 45 mm | 46.5 mm | −1.5 mm |
| Thickness | 11.5 mm | 11 mm | +0.5 mm |
| Weight | 47 g | 41 g | +6 g |
Drawn to the same scale from the official dimensions (front and side).
Why is CR1 Pro better than Watch S2?
CR1 Pro has no measurable advantages in this pair.
Why is Watch S2 better than CR1 Pro?
- AMOLED / OLED displayNo · CR1 Pro: Yes
- SpeakerNo · CR1 Pro: Yes
- Resolution (width)240 px vs 466 px+94%
- Weight47 g vs 41 g+15%
- Screen size1.28″ vs 1.43″+12%
- Battery capacity300 mAh vs 380 mAh+27%
- Pixel density265 ppi vs 326 ppi+23%
- Thickness11.5 mm vs 11 mm+5%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 46 mm |
| Weight | 47 g | 41 g |
| Thickness | 11.5 mm | 11 mm |
| Height | 45 mm | 46.5 mm |
| Width | 45 mm | 46.5 mm |
| Case material | Plastic / polymer | — |
| Lens / cover glass | — | Scratch-resistant glass |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Colours | Grey Black | Gray, Silver |
| Display | ||
| Screen size | 1.28″ | 1.43″ |
| Display technology | LCD | AMOLED |
| Panel | TFT LCD | AMOLED |
| AMOLED / OLED display | No | Yes |
| Resolution (width) | 240 px | 466 px |
| Resolution (height) | 240 px | 466 px |
| Pixel density | 265 ppi | 326 ppi |
| Peak brightness | — | 600 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 300 mAh | 380 mAh |
| Wireless charging | — | No |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | Accelerometer, heart rate, SpO2 | Accelerometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Connectivity | ||
| NFC payments | No | No |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 5 | — |
| Smart features | ||
| Speaker | No | Yes |
| Platform | ||
| Operating system | Proprietary | — |
| Platform | Proprietary | — |
| Chipset | nRF52840 | — |









