Start with strong, lightweight carbon fiber, then add rugged style in a handsome black and gray color scheme. Now you’re ready for anything.

Designed for pros working in tough environments, this Bluetooth Quad Sensor MUDMASTER takes advantage of carbon fiber’s exceptional strength-to-weight ratio to take timekeeping to entirely new heights. The bezel, made from carbon fiber inserts pressed between layers of resin, delivers outstanding toughness and practicality. And you can count on the exceptional functionality everyone expects from a G-SHOCK watch. Take on the harshest on-land terrain with the MUDMASTER GGB100-8A. Go totally off-road with this new watch in a two-tone, gray-on-black color scheme.