Apple's first rugged, extreme-sports Watch — a 49mm titanium case with a flat sapphire front crystal and always-on LTE, no GPS-only option was ever offered. The larger titanium case and thicker crystal make screen and case repairs a more specialized, higher-cost job than any standard Apple Watch.
| Chip | Apple S8 (dual-core, 64-bit) |
| Case size | 49mm titanium |
| Connectivity | Built-in GPS + LTE Cellular (always fitted), Wi-Fi + Bluetooth |
| Cellular | eSIM (standard on every unit) |
| Display | Flat sapphire front crystal, 2,000-nit brightness |