Galaxy Watch3 combines style-two sizes, two finishes, three colors and, multiple watch faces-with military-grade durability and water resistance. Leave your phone at home. Galaxy Watch3 gives you the freedom to call, text, stream music and get notifications via LTE connectivity (cell service required). Keep an eye on your fitness and health with Sp02, V02 max, and heart-rate monitoring. Use your Galaxy Watch3 to record ECG for 30 seconds, similar to a standard single-lead ECG. Send for help if you experience a hard fall during a workout. And track your cycle in an easy and discreet way. The Galaxy Watch3's long-lasting battery can go for more than a day on a single charge, and you can always get a quick boost from your compatible Galaxy phone with Wireless Power Share. Spend your time moving while Galaxy Watch3 tracks seven popular activities automatically. Get more out of each movement thanks to built-in run coaching.