Apple Watch (GPS+LTE) - Series 5 - 44MM Space Gray Aluminum Case Black Sport Band - Certified RefurbishedPRODUCT OVERVIEWApple 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 FEATURESGPS + CellularAlways-On Retina display30% larger screenSwimproof ECG appElectrical and optical heart sensorsBuilt-in compassElevationEmergency SOSInternational emergency calling