IWATCH SERIES 3 38MM-gps

GPS/GNSS
Barometric altimeter
Water resistant
50 meters1
Optical heart sensor
Emergency SOS
Accelerometer
up to 16 g-forces
Gyroscope
Ambient light sensor
Speaker
Microphone
Apple Pay
GymKit
Capacity 16GB
GPS
Capacity 8GB
GPS
Ceramic and sapphire crystal back (center)
GPS
Composite back
GPS
Display
38MM
272 by 340 pixels
563 sq mm display area
Always-On Retina LTPO OLED display with Force Touch
1000 nits brightness
Chip
S3 with dual-core processor
W2
Apple wireless chip
Connectivity

GPS
Wi-Fi
802.11b/g/n 2.4GHz
Bluetooth 4.2
Power
Built-in rechargeable lithium-ion battery
Up to 18 hours3
Magnetic charging cable
USB power adapter
GPS