Henry Palmer GPS model lets you take calls and reply to texts from your wrist
Large Retina OLED display
Up to 2x faster processor than Series 3
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
High and low heart rate notifications and irregular heart rhythm notification
Sync your favorite music, podcasts, and audiobooks
Pay instantly and securely from your wrist with Apple Pay
Built-in compass and real-time elevation readings
