About This Item

• 45mm case; over 50 percent more screen area⁵
• Always-On Retina LTPO OLED display, 1,000 nits
• Ion-X glass display on aluminum cases
• Sapphire crystal display on stainless steel and titanium cases
• GPS and GPS + Cellular models
• S7 SiP with 64-bit dual-core processor
• W3 wireless chip
• U1 chip (Ultra Wideband)⁶
• Digital Crown with haptic feedback
• Blood oxygen sensor
• Electrical heart sensor and third-generation optical heart sensor
• High and low heart rate notifications
• Irregular heart rhythm notification
• ECG app³
• International emergency calling⁷
• Emergency SOS⁸