Features

• GPS/GNSS
• Compass
• Always-on altimeter
• Water resistant
  50 meters1
• Blood oxygen sensor
  (Blood Oxygen app)2
• Electrical heart sensor
  (ECG app)3
• Second-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
• GymKit
• Capacity 32GB
• Ceramic and sapphire crystal back

Display

• 44mm
  368 by 448 pixels
  977 sq mm display area
• 40mm
  324 by 394 pixels
  759 sq mm display area
• Always-On Retina LTPO OLED display
  1000 nits brightness