Space Gray aluminum case |
Built-in GPS, GLONASS, Galileo, and QZSS |
S4 with 64-bit dual-core processor |
W3 Apple wireless chip |
Barometric altimeter |
Capacity 16GB |
Optical heart sensor |
Electrical heart sensor |
Improved accelerometer up to 32 g?forces |
Improved gyroscope |
Ambient light sensor |
LTPO OLED Retina display with Force Touch (1000 nits) |
Digital Crown with haptic feedback |
Louder speaker |
Ion-X strengthened glass |
Sapphire crystal and ceramic back |
Wi-Fi (802.11b/g/n 2.4GHz) |
Bluetooth 5.0 |
Built-in rechargeable lithium-ion battery |
Up to 18 hours of battery life2 |
Water resistant 50 meters3 |
watchOS 5 |