The tough digital GD-B500 goes smaller and slimmer to meet today’s needs, delivering just what you require from a watch in a minimalist design with a futuristic sensibility. With a case measuring just 46.3 mm in diameter and 11.0 mm slim, this G-SHOCK is significantly smaller than past models. Even this small, it comes equipped with Bluetooth and a step tracker so that you can easily take control of your daily exercise.