Product Overview:Apple Watch Series 5 has a display that's always on, showing the time and important information-no need to raise your wrist. It helps you navigate with the built-in compass. Enables international emergency calling. Lets you check on your heart with the ECG app. Tracks your workouts and activity. And has cellular built-in, so you can stay connected with just your watch.Key Features:GPS + CellularAlways-On Retina display30% larger screenSwimproofECG appElectrical and optical heart sensorsBuilt-in compassElevationEmergency SOSInternational emergency calling