Apple Watch SE

• 44mm or 40mm case size
• Aluminium
• Speaker
• Microphone

Display:

• Retina LTPO OLED display
• Ion-X front glass
• Up to 1,000 nits maximum brightness

Control:

• Digital Crown with haptic feedback
• Side button
• Siri

Chip:

• S8 SiP with 64-bit dual-core processor
• 2-core Apple Neural Engine
• 32GB capacity

Sensors:

• Second-generation optical heart sensor
• High and low heart rate notifications ^Footnote 4
• Irregular rhythm notifications ^Footnote 5
• Sleep stages
• Compass with Waypoints and Backtrack
• Always-on altimeter
• High-g accelerometer
  • High dynamic range gyroscope
• Ambient light sensor

Safety:

• Emergency SOS ^Footnote 8
• International emergency calling ^Footnote 10
• Crash Detection ^Footnote 8
• Fall Detection ^Footnote 8

Water:

• Water resistance 50m (swimproof) ^Footnote 10

Connectivity and Communication:

• L1 GPS, GLONASS, Galileo and QZSS
• LTE and UMTS ^Footnote 13
• Wi-Fi 4 (802.11n)
• Bluetooth 5.3
• Apple Pay
• GymKit

Power and Battery Life:

• Built-in rechargeable lithium-ion battery
• Up to 18 hours normal use ^Footnote 15
• USB-C magnetic charging cable

Environmental Requirements:

• Operational temperature: 0°C to 35°C (32°F to 95°F)
• Non-operational storage temperature: −20°C to 45°C (4°F to 113°F)
• Relative humidity: 5% to 90% non‑condensing
• Operating Altitude: 0 m to 3,000 m (0 feet to 10,000 feet)

Dimensions
40mm

• Height: 40mm
• Width: 34mm
• Depth: 10.7mm
• Case Weight (GPS): 26.4g
• Case Weight (GPS + Cellular): 27.8g

44mm

• Height: 44mm
• Width: 38mm
• Depth: 10.7mm
• Case Weight (GPS): 32.9g
• Case Weight (GPS + Cellular): 33g