Dimensions
Size comparison
Watch SEC5
| Watch SE | C5 | Difference | |
|---|---|---|---|
| Height | 44 mm | 43 mm | +1 mm |
| Width | 38 mm | 43 mm | −5 mm |
| Thickness | 10.4 mm | 10 mm | +0.4 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch SE better than C5?
- Built-in GPSYes · C5: No
- AMOLED / OLED displayYes · C5: No
- NFC paymentsYes · C5: No
- LTE (cellular)Yes · C5: No
- eSIMYes · C5: No
- SpeakerYes · C5: No
- Screen size1.78″ vs 1.7″+5%
- Resolution (width)368 px vs 240 px+53%
- Pixel density326 ppi vs 217 ppi+50%
Why is C5 better than Watch SE?
- Thickness10.4 mm vs 10 mm+4%
Specifications
Side by side
| Design & durability | ||
| Case size | 44 mm | 43 mm |
| Weight | 36.4 g | — |
| Thickness | 10.4 mm | 10 mm |
| Height | 44 mm | 43 mm |
| Width | 38 mm | 43 mm |
| Case material | Aluminium | — |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Ion-X strengthened glass | Scratch-resistant glass |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Colours | Silver, Gold, Space Gray | Black, Pink |
| Display | ||
| Screen size | 1.78″ | 1.7″ |
| Display technology | OLED | LCD |
| Panel | Retina LTPO OLED | TFT LCD |
| AMOLED / OLED display | Yes | No |
| Resolution (width) | 368 px | 240 px |
| Resolution (height) | 448 px | 280 px |
| Pixel density | 326 ppi | 217 ppi |
| Peak brightness | 1,000 nits | — |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | — | 260 mAh |
| Battery type | Li-Ion | — |
| Wireless charging | Yes | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Sleep tracking | Yes | — |
| Sensors | Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass | Accelerometer, gyro, heart rate |
| Sports & navigation | ||
| Built-in GPS | Yes | No |
| Satellite systems | GLONASS | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Connectivity | ||
| NFC payments | Yes | No |
| LTE (cellular) | Yes | No |
| eSIM | Yes | No |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5 | 5.1 |
| Smart features | ||
| Speaker | Yes | No |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Storage | 32 GB | — |
| RAM | 1 GB | — |
| Platform | ||
| Operating system | watchOS 7.0 | Proprietary OS |
| Platform | watchOS | Proprietary |
| Works with | iOS | — |
| Chipset | Apple S5 | — |
