Display

• 45mm

  • 396x484 pixels

  • 1,143 sq mm display area

• 41mm

  • 352x430 pixels

  • 904 sq mm display area

• Always-On Retina LTPO OLED display

  • Up to 1,000 nits brightness

Chip

• S8 SiP with 64-bit dual-core processor

• W3

  • Apple wireless chip

• U1 chip

  • (Ultra Wideband)

Power

• Built-in rechargeable lithium-ion battery

  • Up to 18 hours

• USB-C magnetic fast-charging cable

Dimensions

41mm

• Height: 41mm

• Width: 35mm

• Depth: 10.7mm

45mm

• Height: 45mm

• Width: 38mm

• Depth: 10.7mm

Features

• L1 GPS, GLONASS, Galileo, QZSS and BeiDou

• Compass

• Always-on altimeter

• Water resistant

  • 50 metres

• Certified IP6X dust resistant

• Blood oxygen sensor

  • (Blood Oxygen app)

• Electrical heart sensor

  • (ECG app)

• Third-generation optical heart sensor

• International emergency calling

• Emergency SOS

• High-g accelerometer

  • Up to 256 g-forces with Fall Detection and Crash Detection

• High dynamic range gyroscope

• Ambient light sensor

• Speaker

• Microphone

• Apple Pay

• Gym Kit

• Capacity 32GB

• Ceramic and sapphire crystal back