G-Shock watch. Master of G Mudmaster in black resin shock-resistant case. Mineral crystal. Black rubber stap. Multi-function digital and analog watch. Alarms. Stopwatch. Countdown timer. Double LED light. Digital compass. Bluetooth connectivity. Thermometer. Barometer. Altimeter. Quad Sensor. Mud-resistant. 55.4 x 53.1 x 19.3mm case.