Details Casio G-Shock Watch GST-S310BDD-1A is a tough and rugged watch from the famous G-SHOCK series. It is specially designed for active women, offering new diamond concept in which diamonds embedded into the hour markers at 12, 3 and 9 oclock give these models a look of class. The watch is 200-meter water resistant and also has shock resistant construction with mineral front glass. Other specs of the watch are Solar powered, Double LED light, Resin Band, Hand shift feature, Battery level indicator, Button operation tone on/off and 8 months battery life on rechargeable battery.