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Monitor your health. Track your workouts. Get the motivation you need to achieve your fitness goals. And stay connected to the people and information you care about. Low and high heart rate notifications. Emergency SOS. Breathe watch faces. Automatic workout detection. Yoga and hiking workouts. Advanced features for runners like cadence and pace alerts. Head-to-head competitions. Activity sharing with friends. Personalized coaching. Monthly challenges and achievement awards. You can use Walkie-Talkie, make phone calls and send messages. Listen to Apple Music¹ and Apple Podcasts. And use Siri in more ways. Apple Watch Series 3 lets you do it all right from your wrist. Apple Watch Features GPS Optical heart sensor Digital Crown S3 with dual-core processor Accelerometer and gyroscope Swimproof² watchOS 5 Aluminum case