Polar Street X
- Screen 1.28 inch AMOLED
- Battery life up to 10 days in smartwatch mode
- Water resistance 50 metres (WR50)
- Sensors Accelerometer, Magnetometer, Gyroscope, Barometer, optical heart rate (gen 3.5), compass, Skin Temp
- Date March 2026
Specs
General
| Physical size | 45 x 45 x 13.8 mm |
| Material | Bio-based plastic case and bezel, Gorilla Glass Screen |
| Charging | USB |
| Battery | 385 mAh |
| Battery life | up to 10 days in smartwatch mode, 43 hours in performance training mode, 170 in Eco training mode |
| Water resistance | WR50 (down to 50 m) |
| Weight | 48 grams |
| Display type | AMOLED |
| Display size | 1.28 inch |
| Display resolution | 416 x 416 pixels |
| Color options | Night Black, Snow White, Forest Green |
Sensors
| Accelerometer | Yes |
| Barometric altimeter | Yes |
| Compass | Yes - Magnetometer-based compass (no-GPS needed) |
| Galvanic skin response | No |
| Geomagnetic | No |
| Gyroscope | Yes |
| Optical heart rate | Yes |
| Electrical heart rate | Yes |
| SpO2 | No |
| Temperature | Yes |
| GPS | Yes |
| GALILEO | Yes |
| GLONASS | Yes |
| QZSS | Yes |
| Beidou | No |
| Ambient light sensor | Yes |
| Vibration motor | Yes |
| Microphone | No |
| Speakers | No |
Health & activity tracking
| Steps | Yes |
| Distance | Yes |
| Calories burned | Yes |
| Sports tracking | Yes |
| Floors | Yes |
| Sleep | Yes |
| Heart rate | Yes |
| Stress | Training Load Pro (cardio load, muscle load, perceived load) / Recovery Pro |
| Blood oxygen | No |
| Respiration rate | No |
| 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 | No |
| On-board music storage | No |
| Connected pay | No |
| Cellular | No |
| Connectivity | Bluetooth LE |
| Operating system | Proprietary |
| Memory | 37MB memory, 32MB storage |
| Processor | 275 MHz |
Disclaimer Note
These technical specs are correct to the best of our knowledge at the time of publishing.