The first Apple Watch with a built-in GPS chip and water resistance to 50 meters — cellular was never offered on this generation, so every Series 2 unit is a GPS-only model. The brighter always-visible display makes screen replacement a more delicate repair than the original.
| Chip | Apple S2 (dual-core) |
| Case sizes | 38mm / 42mm |
| Connectivity | Built-in GPS, Wi-Fi + Bluetooth |
| Cellular | Not available (GPS-only generation) |
| Water resistance | 50 meters |