Apple Watch Nike+ Series 4 (GPS, 40mm) - Space Grey Aluminium Case with Anthracite/Black Nike Sport Band
Starts from 579.33
GPS
Over 30% larger display2
Electrical and optical heart sensors
Digital Crown with haptic feedback
50% louder speaker2
S4 SiP with faster 64-bit dual-core processor
Improved accelerometer and gyroscope for fall detection