44mm or 40mm case size
Always-On Retina display
GPS + Cellular8
Blood Oxygen app6
ECG app7
High and low heart rate notifications
Irregular heart rhythm notification3
Water resistant 50 meters1
Measure your blood oxygen level with a revolutionary sensor and app. Take an ECG anytime, anywhere. See your fitness metrics at a glance with the enhanced Always-On Retina display. With Apple Watch Series 6 on your wrist, a healthier, more active, more connected life is within reach.