Take calls and reply to texts, right from your wrist Track your daily activity on Apple Watch, and see your trends in the Fitness app on iPhone Track new tai chi and pilates workouts, in addition to favorites like running, yoga, swimming, and dance Hike smarter with built-in compass and real-time elevation readings Stay on top of your health with high and low heart rate, and irregular heart rhythm notifications Emergency SOS lets you call for help when you need it Sync your favorite music, podcasts, and audiobooks Swimproof design