With Apple Watch Nike Series 6, you can track your workouts with the Nike Run Club app. Sync music for motivation right to your watch. Turn on Nike Twilight Mode for enhanced visibility. And choose from exclusive Nike watch faces and bands. Nike Run Club app Nike Sport Band and Nike Sport Loop in new colours New, more customisable Nike watch faces GPS model lets you take calls and reply to texts from your wrist Measure your blood oxygen with an all-new sensor and app Check your heart rate any time with the Heart Rate app Get notifications for high and low heart rate 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 Swimproof design Sync your favourite music, podcasts, and audiobooks 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 watchOS 7 with sleep tracking, cycling directions, and new customisable watch faces Aluminium cases Additional information:Apple Watch Series 6 requires an iPhone 6s or later with iOS 14 or later. Blood Oxygen app measurements are not intended for medical use, including self-diagnosis or consultation with a doctor. ISO standard 22810:2010. Appropriate for shallow-water activities like swimming. Submersion below shallow depth and high-velocity water activities not recommended. The international emergency calling feature requires an Apple Watch Series 6 or Apple Watch SE.