Dimensions
Size comparison
CS1Watch 3
| CS1 | Watch 3 | Difference | |
|---|---|---|---|
| Height | 41.5 mm | 45 mm | −3.5 mm |
| Width | 35.9 mm | 37 mm | −1.1 mm |
| Thickness | 8.9 mm | 11.5 mm | −2.6 mm |
| Weight | 45 g | 40 g | +5 g |
Drawn to the same scale from the official dimensions (front and side).
Why is CS1 better than Watch 3?
- Thickness8.9 mm vs 11.5 mm+29%
- Pixel density242 ppi vs 207 ppi+17%
Why is Watch 3 better than CS1?
- Screen size1.4″ vs 1.8″+29%
- SpeakerNo · CS1: Yes
- Weight45 g vs 40 g+12%
- Battery capacity200 mAh vs 340 mAh+70%
Specifications
Side by side
| Design & durability | ||
| Case size | 42 mm | 45 mm |
| Weight | 45 g | 40 g |
| Thickness | 8.9 mm | 11.5 mm |
| Height | 41.5 mm | 45 mm |
| Width | 35.9 mm | 37 mm |
| Case material | Plastic / polymer | Plastic / polymer |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Colours | Graphite Black, Space Gray | Black, Gray |
| Display | ||
| Screen size | 1.4″ | 1.8″ |
| Display technology | LCD | LCD |
| Panel | IPS LCD | IPS LCD |
| AMOLED / OLED display | No | No |
| Resolution (width) | 240 px | 240 px |
| Resolution (height) | 240 px | 286 px |
| Pixel density | 242 ppi | 207 ppi |
| Peak brightness | — | 500 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 200 mAh | 340 mAh |
| Battery type | Li-Ion | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Sensors | Accelerometer, heart rate | Accelerometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | No | No |
| Connectivity | ||
| NFC payments | No | No |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 4 | 5.3 |
| Smart features | ||
| Speaker | No | Yes |
| Platform | ||
| Operating system | Proprietary | Proprietary OS |
| Platform | Proprietary | Proprietary |
| Chipset | nRF52832 | — |
