Description
Series 4 (GPS) Features | Series 4 (GPS Cellular) Features | |
Silver aluminum case | Silver aluminum case | |
Built-in GPS, GLONASS, Galileo, and QZSS | LTE and UMTS | |
S4 with 64-bit dual-core processor | Built-in GPS, GLONASS, Galileo, and QZSS | |
W3 Apple wireless chip | S4 with 64-bit dual-core processor | |
Barometric altimeter | W3 Apple wireless chip | |
Capacity 16GB1 | Barometric altimeter | |
Optical heart sensor | Capacity 16GB1 | |
Electrical heart sensor | Optical heart sensor | |
Improved accelerometer up to 32 g‑forces | Electrical heart sensor | |
Improved gyroscope | Improved accelerometer up to 32 g‑forces | |
Ambient light sensor | Improved gyroscope | |
LTPO OLED Retina display with Force Touch (1000 nits) | Ambient light sensor | |
Digital Crown with haptic feedback | LTPO OLED Retina display with Force Touch (1000 nits) | |
Louder speaker | Digital Crown with haptic feedback | |
Ion-X strengthened glass | Louder speaker | |
Sapphire crystal and ceramic back | Ion-X strengthened glass | |
Wi-Fi (802.11b/g/n 2.4GHz) | Sapphire crystal and ceramic back | |
Bluetooth 5.0 | Wi-Fi (802.11b/g/n 2.4GHz) | |
Built-in rechargeable lithium-ion battery | Bluetooth 5.0 | |
Up to 18 hours of battery life2 | Built-in rechargeable lithium-ion battery | |
Water resistant 50 meters3 | Up to 18 hours of battery life2 | |
watchOS 5 | Water resistant 50 meters3 | |
watchOS 5 |
Dimensions
- Height: 40mm
- Width: 34mm
- Depth: 10.7mm
- Case Weight (GPS): 30.1g
- Case Weight (GPS Cellular): 30.1g
- Height: 44mm
- Width: 38mm
- Depth: 10.7mm
- Case Weight (GPS): 36.7g
- Case Weight (GPS Cellular): 36.7g