•Display: 44mm Retina LTPO OLED, 368 x 448 resolution
•Processor: S5 chip (up to 2x faster than Series 3)
•Storage: 32GB of internal storage
•Sensors:
•Heart rate sensor (optical)
•Accelerometer
•Gyroscope
•Altimeter
•Compass
•Connectivity:
•GPS (standard)
•Optional GPS + Cellular model
•Bluetooth 5.0
•Water Resistance: 50 meters
•Battery Life: Up to 18 hours (all-day battery)
•Operating System: watchOS (upgradable)
•Compatibility: Works with iPhone 6s or later running iOS 14 or newer