Presenting the g-shock gbd800 digital watch. While linked with the g-shock connected phone app, you can configure settings for a step count log with five exercise intensity levels, calorie calculations, and step targets. The ability to use the app to create timer combinations and send them to the watch, to store stopwatch measurement data, to view data and more all combine to help you plan and record your workouts, making them more effective and enjoyable. Other features include app-based auto time setting correction for more efficient timekeeping, and an auto double led light to facilitate workouts in areas where lighting is dim. A mid-size design that's optimal for running and training, bluetooth®, phone app linking and much more makes the gba800 the perfect choice for everyday wear and fitness training. The case is 54. 1mm. The brown resin bracelet secures with a buckle clasp.