Dimensions

• Aluminum case – 38mm
  • Height: 38.6mm
  • Width: 33.3mm
  • Depth: 11.4mm
  • Case Weight: 28.2g
• Aluminum case – 42mm
  • Height: 42.5mm
  • Width: 36.4mm
  • Depth: 11.4mm
  • Case Weight: 34.2g
• Stainless Steel case – 38mm
  • Height: 38.6mm
  • Width: 33.3mm
  • Depth: 11.4mm
  • Case Weight: 41.9g
• Stainless Steel case – 42mm
  • Height: 42.5mm
  • Width: 36.4mm
  • Depth: 11.4mm
  • Case Weight: 52.4g
• White Ceramic case – 38mm
  • Height: 39.2mm
  • Width: 34.0mm
  • Depth: 11.8mm
  • Case Weight: 39.6g
• White Ceramic case – 42mm
  • Height: 42.6mm
  • Width: 36.5mm
  • Depth: 11.4mm
  • Case Weight: 45.6g

Chip

• Dual‑core processor
• Built‑in GPS

Features

• Built-in GPS
• Water resistant 50 meters¹
• Wi-Fi (802.11b/g/n 2.4GHz)
• Bluetooth 4.0
• Heart rate sensor
• Accelerometer
• Gyroscope
• Ambient light sensor

Display

• Second-generation OLED Retina display with Force Touch 2× brighter (1000 nits)
• Sapphire crystal (stainless steel and ceramic cases)
• Ion-X glass (aluminum cases)
• 272 by 340 pixels (38mm)
• 312 by 390 pixels (42mm)

Power and Battery

• Built-in rechargeable lithium-ion battery
• Up to 18 hours²
• Magnetic charging cable
• USB power adapter