• GPS Cellular model lets you call, text, and get directions without your phone (Supported providers: EE, O2 and Vodafone. Apple Watch and iPhone service provider must be the same)
• 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
• 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

• Swimproof design
• Sync and stream music, podcasts, and audiobooks
• Apple Watch requires an iPhone 6s or later with iOS 14 or later.