Casio G-Shock Mudmaster GG-B100X-1A Black Dial 51mm Resin Strap Men's Watch

The Casio G-Shock GG-B100X-1A is a high-performance survival watch from the "Master of G" Land series, newly released in March 2026. Designed specifically for professionals operating in the harshest environments, this model is built to handle the roughest rubble and debris-strewn terrains. It features a Carbon Core Guard structure with a high-rigidity carbon fiber-reinforced resin case and a unique three-layer resin bezel with carbon fiber inserts. The rugged design is inspired by the gasoline jerrycans mounted on off-road vehicles, emphasizing its extreme durability and shock resistance. This 2026 update is equipped with a Quad Sensor, providing critical land-mission data including a Digital Compass, Altimeter/Barometer, Thermometer, and a 3-axis Accelerometer for step counting. It features a specialized Mission Log and Location Indicator that allows you to record altitude and route data via the CASIO WATCHES smartphone app. For the first time in the series, key components for the case and band are made with Bio-based resin, derived from renewable organic resources to reduce environmental impact. With 200-meter water resistance and a dust-proof, mud-resistant construction, the GG-B100X-1A is an essential tool for rangers and rescue teams worldwide.