• Always-on Retina display has nearly 20% more screen area than Series 6, making everything easier to see and use
• The most crack-resistant front crystal yet on an Apple Watch, IP6X dust resistance, and swimproof design
• Measure your blood oxygen with a powerful sensor and app
• Take an ECG anytime, anywhere
• Get high and low heart rate, and irregular heart rhythm notifications
• Stay in the moment with the new Mindfulness app, and reach your sleep goals with the Sleep app
• Track new tai chi and pilates workouts, in addition to favorites like running, yoga, swimming, and dance
• Track your daily activity on Apple Watch, and see your trends in the Fitness app on iPhone
• Sync your favorite music, podcasts, and audiobooks

BRAND NEW. Box has been opened but inside contents remain SEALED. See pictures for product condition.