Apple Watch (1st gen)
- Screen 1.4 inch/1.5 inch Retina OLED
- Battery life 18 hours
- Water resistance IPX7 (3 metres)
- Sensors Ambient light, Heart rate sensor, accelerometer, and gyroscope.
- Date April 2015
Specs
General
| Physical size | 38.6 mm × 33.3 mm × 10.5 mm (1.52 in × 1.31 in × 0.41 in); 42 mm × 35.9 mm × 10.5 mm (1.65 in × 1.41 in × 0.41 in) |
| Material | Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame |
| Charging | Inductive charging |
| Battery | Lithium-polymer |
| Battery life | 18 hours |
| Water resistance | IPX7 (3 metres) |
| Weight | 25 grams to 69 grams depending on the model |
| Display type | Retina OLED, 450 nits (peak) |
| Display size | 38mm 33.96 mm (1.337 in) diagonal, 42mm 38.96 mm (1.534 in) diagonal |
| Display resolution | 38mm - 272×340 pixels, 326 dpi; 42mm - 312×390 pixels, 326 dpi |
| Color options | Gold, Rose Gold, Space Gray, Silver, Black. Straps vary by editions. |
Sensors
| Accelerometer | Yes |
| Barometric altimeter | No |
| Compass | No |
| Galvanic skin response | No |
| Geomagnetic | No |
| Gyroscope | Yes |
| Optical heart rate | Yes |
| Electrical heart rate | No |
| SpO2 | No |
| Temperature | No |
| GPS | No |
| GALILEO | No |
| GLONASS | No |
| QZSS | No |
| Beidou | No |
| 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 | No |
| Sleep | No |
| Heart rate | Yes |
| Stress | No |
| Blood oxygen | No |
| Respiration rate | No |
| UV exposure | No |
| Skin temperature | No |
| Hydration level | No |
| HRV | No |
| ECG | No |
| 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 | No |
| Connectivity | Bluetooth 4.0, Wi-Fi (802.11 b/g/n 2.4GHz only) |
| Operating system | WatchOS |
| Memory | 8 GB, 512 MB RAM |
| Processor | Apple S1 |
Disclaimer Note
These technical specs are correct to the best of our knowledge at the time of publishing.
