Display

• 45mm

  • 396 by 484 pixels

  • 1143 sq mm display area

• 41mm

  • 352 by 430 pixels

  • 904 sq mm display area

• Always-On Retina LTPO OLED display

  • 1000 nits brightness

Chip

• S7 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

Finishes

GPS + Cellular

• Aluminum

  • Midnight

  • Starlight

  • Green

  • Blue

Dimensions

41mm

• Height: 41mm

• Width: 35mm

• Depth: 10.7mm

45mm

• Height: 45mm

• Width: 38mm

• Depth: 10.7mm

Features

• GPS, GLONASS, Galileo, QZSS, and BeiDou

• Compass

• Always-on altimeter

• Water resistant

  • 50 meters¹

• Blood oxygen sensor

  • (Blood Oxygen app)²

• Electrical heart sensor

  • (ECG app)³

• Third-generation optical heart sensor

• International emergency calling⁵

• Emergency SOS⁴

• Accelerometer

  • up to 32 g-forces with fall detection

• Gyroscope

• Ambient light sensor

• Speaker

• Microphone

• Apple Pay

• Gym Kit

• Capacity 32GB

• Ceramic and sapphire crystal back