Introducing the G-Shock Mudmaster GG-B100-1A3ER, engineered for the most extreme conditions with its new Carbon Core Guard case, offering superior dust and mud resistance. This watch is designed for outdoor adventurers, featuring Quad Sensor capabilities including compass, altitude/barometer, and temperature measurements, along with an accelerometer for step counting. The integrated Mission Function, via a special G-SHOCK app, records altitude data and smartphone GPS route information, allowing for manual altitude point plotting on your route. The black carbon fibre reinforced case and green resin strap with a buckle clasp ensure durability and toughness. Key functions include a mud-resistant and shock-resistant structure, auto-LED light, automatic calendar, barometer, thermometer, Bluetooth connectivity, compass, multiple alarms, hand moving function, step tracker, stopwatch, sunrise/sunset display, timer, 12/24-hour timekeeping, and world time function. The watch has a total weight of 92g, a case depth of 19mm, and a case width of 55mm, with quartz movement and 200 metres water resistance.