Apple Watch Series 6 (Certified Pre-Owned)

Apple Watch Series 6 (Certified Pre-Owned) lets you measure your blood oxygen level with a revolutionary new sensor and app.1 Take an ECG from your wrist.2 See your fitness metrics on the enhanced Always-On Retina display, now 2.5x brighter outdoors when your wrist is down. Set a bedtime routine and track your sleep. And with cellular service, you can go without your phone. It's the ultimate device for a healthier, more active, more connected life.