The Gear S3 has a 380mAh which could last between 3 and 4 days. As we expected, the Samsung Galaxy Watch has a big focus on fitness, and is able to automatically track your cycling, swimming ...

These include health and fitness apps (thus the comparison ... an app to be downloaded to the mobile device. The LG G Watch, Samsung Gear Live, and Motorola Moto 360—the Android Wear models ...