Silver aluminum case
Built-in GPS, GLONASS,
Galileo, and QZSS
S4 with 64-bit
dual-core processor
W3 Apple wireless chip
Barometric altimeter
Capacity 16GB1
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
Height: 40mm
Width: 34mm
Depth: 10.7mm
Case Weight (GPS):
30.1g
Case Weight
(GPS + Cellular): 30.1g
