| Physical specifications | ||
|---|---|---|
| Dimensions | 44 x 38 x 10.7 mm | |
| Weight | 48 g | |
| Screen and keypad | ||
| Screen type | AMOLED | |
| Screen size | 1.78 inches | |
| Resolution | 448 x 368 pixels | |
| Picture, video and sound | ||
| Music player | Yes | |
| FM radio | No | |
| Memory | ||
| Storage | 16 GB | |
| RAM | 1 GB RAM | |
| Network | ||
| 2G network | Yes | |
| 3G network | Yes | |
| 4G network | Yes | |
| Data & Wireless | ||
| NFC | Yes | |
| GPS | Yes | |
| Sensors | ||
| Accelerometer | Yes | |
| Gyroscope | Yes | |
| Heart rate sensor | Yes | |
| Battery | ||
| Standby time | Up to 18 hours | |
| Operating system | ||
| Operating system | watchOS 5 | |
Apple Watch Series 4
watchOS 5