Specifications - Apple Watch Series 4
Physical specifications
| Dimensions | 44 x 38 x 10.7 mm |
| Weight | 48 g |
Screen and keys
| 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 |
Connectivity
| 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 8 |