vs
6.6Display9.7
9.5Health tracking5.0
8.0Sports & outdoor4.7
7.6Smart features6.5
9.0Build & durability6.8
Dimensions
Size comparison
Watch SE 3Watch GT 7
| Watch SE 3 | Watch GT 7 | Difference | |
|---|---|---|---|
| Height | 44 mm | 46 mm | −2 mm |
| Width | 38 mm | 46 mm | −8 mm |
| Thickness | 10.7 mm | 11 mm | −0.3 mm |
| Weight | 26 g | 51 g | −25 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch SE 3 better than Watch GT 7?
- LTE (cellular)Yes · Watch GT 7: No
- Weight26.4 g vs 51.3 g+94%
- Screen size1.78″ vs 1.47″+21%
- eSIMYes · Watch GT 7: No
- Thickness10.7 mm vs 11 mm+3%
Why is Watch GT 7 better than Watch SE 3?
- Peak brightness1,000 nits vs 3,000 nits3×
- Pixel density326 ppi vs 448 ppi+37%
- Resolution (width)368 px vs 466 px+27%
Specifications
Side by side
| Design & durability | ||
| Case size | 44 mm | 46 mm |
| Weight | 26.4 g | 51.3 g |
| Thickness | 10.7 mm | 11 mm |
| Height | 44 mm | 46 mm |
| Width | 38 mm | 46 mm |
| Case material | Aluminium | Stainless steel |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Ion-X strengthened glass (2025 gen) | — |
| Strap material | Fluorelastomer | — |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | — | IP69 |
| Water resistance (IPx) | — | IPx9 |
| Colours | Midnight, Starlight | Silver, Gold, Gray |
| Display | ||
| Screen size | 1.78″ | 1.47″ |
| Display technology | OLED | AMOLED |
| Panel | Retina LTPO OLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 368 px | 466 px |
| Resolution (height) | 448 px | 466 px |
| Pixel density | 326 ppi | 448 ppi |
| Peak brightness | 1,000 nits | 3,000 nits |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 0.8 days | — |
| Battery life (hours) | 18 h | — |
| Battery capacity | — | 867 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wireless charging | Yes | Yes |
| Charged in 30 min | 53% | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| ECG | Yes | — |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | Yes |
| Sleep tracking | Yes | — |
| Sensors | Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass, temperature (body) | Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature) |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | GLONASS, GALILEO, QZSS | GLONASS, GALILEO, BDS, QZSS, NavIC |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | No |
| eSIM | Yes | No |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.3 | 6 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | Yes |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Storage | 64 GB | — |
| Platform | ||
| Operating system | watchOS 26 | HarmonyOS 6.1 |
| Platform | watchOS | HarmonyOS |
| Works with | iOS | — |
| Chipset | Apple S10 | — |
