Apple Watch Series 6 44mm case; over 30 percent larger display3 Always-On Retina LTPO OLED display, 1000 nits Ion-X glass display on aluminum cases; sapphire crystal display on stainless steel and titanium cases GPS and GPS + Cellular models S6 Sip with 64-bit dual-core processor; W3 wireless chip; U1 chip (Ultra-Wideband) Digital Crown with haptic feedback Blood oxygen sensor; electrical heart sensor and second-generation optical heart sensor High and low heart rate notifications, irregular heart rhythm notification, and ECG app2 International emergency calling,4Emergency SOS,5 and fall detection Water resistant 50 meters6 LTE and UMTS,7 Wi-Fi, and Bluetooth 5.0 GPS/GNSS, compass, and always-on altimeter 50 percent louder speaker3; built-in mic 32GB capacity
Height: 44mm Width: 38mm Depth: 10.4mm Case Weight (GPS): 36.5g Case Weight (GPS + Cellular): 36.5g