Apple Watch Series 6 lets you measure your blood oxygen level with a revolutionary new sensor and app. Take an ECG from your wrist. 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. GPS + Cellular model lets you call, text, and get directions without your phone Measure your blood oxygen with an all-new sensor and app Check your heart rhythm with the ECG app The Always-On Retina display is 2.5x brighter outdoors when your wrist is down S6 SiP is up to 20% faster than Series 5 5GHz Wi-Fi and U1 Ultra Wideband chip Track your daily activity on Apple Watch and see your trends in the Fitness app on iPhone Measure workouts like running, walking, cycling, yoga, swimming, and dance ISO standard 22810:2010. Appropriate for shallow-water activities like swimming. Submersion below shallow depth and high-velocity water activities not recommended. Audio streaming requires an Apple Watch (GPS + Cellular) Series 3 or later. Pay instantly and securely from your wrist with Apple Pay Set up an Apple Watch for family members who don’t have an iPhone using Family Setup High and low heart rate notifications and irregular heart rhythm notification Built-in compass and real-time elevation readings Can detect if you’ve taken a hard fall, then automatically call emergency services for you Emergency SOS lets you get help from your wrist International emergency calling from your watch watchOS 7 with sleep tracking, cycling directions, updates to Siri, and new customizable watch faces Aluminum and stainless steel cases in new finishes Apple Watch Series 6 requires an iPhone 6s or later with iOS 14 or later. ⁶Not all features will be available if the Apple Watch is set up through Family Setup. Wireless service plan required for cellular service. Contact your service provider for more details. Check apple.com/watch/cellular for participating wireless carriers and eligibility. Battery life varies by use and settings. Apple Watch Series 6 (GPS + Cellular) and Apple Watch SE (GPS + Cellular) can use a cellular connection for Emergency SOS. To use Emergency SOS on an Apple Watch without cellular, your iPhone needs to be nearby. If your iPhone isn’t nearby, your Apple Watch needs to be connected to a known Wi-Fi network and you must set up Wi-Fi Calling. The international emergency calling feature requires an Apple Watch Series 6 (GPS + Cellular) or Apple Watch SE (GPS + Cellular) model. For a list of supported countries and regions, see apple.com/watchos/feature-availability.