Apple Watch SE has the same larger display size Retina display as Series 6, so you can see more at a glance. Advanced sensors to track all your fitness and workout goals. And powerful features to keep you healthy and safe. The Sleep app lets you set a bedtime routine and track your sleep. And you also get calls, messages and music on your wrist. It’s a lot of watch for a lot less than you expected. - GPS model lets you answer calls and reply to text messages from your wrist - Large Retina OLED display - The processor is up to twice as fast as 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 - High and low heart-rate notifications