Google Pixel Watch 4
- Screen 1.2 or 1.4 inch AMOLED
- Battery life 30 hours, 48 hours in Battery Saver Mode
- Water resistance 5 ATM
- Sensors Compass, Altimeter, Red and infrared sensors for SpO2, Multipurpose ECG sensors, Multi-path optical heart rate sensor, 3-axis accelerometer, Gyroscope Ambient light sensor, cEDA, Skin temperature sensor, Barometer, Magnetometer, Ambient light sensor
- Date August 2025
Specs
General
| Physical size | 45 x 45 x 14.3 mm, 41 x 41 x 14.3mm |
| Material | Domed top glass that curves all the way to the 100% recycled aluminium case |
| Charging | Contact pin-based charging |
| Battery | 41mm (325 mAh Li-po); 45mm (455 mAh Li-po) |
| Battery life | 41mm (30 hours with always-on display, up to 48 hours in Battery Saver mode), 45mm (40 hours and 72 hours respectively) |
| Water resistance | 5 ATM |
| Weight | 41mm (31 grams), 45mm (37 grams) |
| Display type | AMOLED LTPO, 3D Corning Gorilla Glass 5 |
| Display size | 41mm (1.2 inch); 45mm (1.4 inch) |
| Display resolution | 320 ppi, up to 3000 nits, variable refresh rates (1hz to 60hz) |
Sensors
| Accelerometer | Yes |
| Barometric altimeter | Yes |
| Compass | Yes |
| Galvanic skin response | Yes |
| Geomagnetic | Yes |
| Gyroscope | Yes |
| Optical heart rate | Yes |
| Electrical heart rate | Yes |
| SpO2 | Yes |
| Temperature | Yes |
| GPS | Yes |
| GALILEO | Yes |
| GLONASS | Yes |
| QZSS | Yes |
| Beidou | Yes |
| Ambient light sensor | Yes |
| Vibration motor | Yes |
| Microphone | Yes |
| Speakers | Yes |
Health & activity tracking
| Steps | Yes |
| Distance | Yes |
| Calories burned | Yes |
| Sports tracking | Yes |
| Floors | Yes |
| Sleep | Yes |
| Heart rate | Yes |
| Stress | Yes |
| Blood oxygen | Yes |
| Respiration rate | Yes |
| UV exposure | No |
| Skin temperature | Yes |
| Hydration level | No |
| HRV | Yes |
| ECG | Yes |
| Calorie intake | No |
| Blood pressure | No |
| Glucose | No |
Daily smart features
| Smartphone notifications | Yes |
| Smartphone music control | Yes |
| On-board music storage | Yes |
| Connected pay | Yes |
| Cellular | Optional |
| Connectivity | Bluetooth 5.3, Wi-Fi 802.11 b/g/n 2.4GHz, Ultra-wideband |
| Operating system | Wear OS 5.0 |
| Memory | 32GB eMMC flash, 2GB SDRAM |
| Processor | Qualcomm SW5100 |
Disclaimer Note
These technical specs are correct to the best of our knowledge at the time of publishing.
