CASIO G-Shock Mudmaster Twin Sensor Analog-Digital Green/Black | GG1000-1A3This GG1000 1A3 is the latest new addition to the MASTER OF G MUDMASTER Series. Mud Resist construction helps to ensure that nothing gets into the watch when down and dirty work takes you deep into the dirt and sludge. Multiple gaskets are used on the pipes that guide buttons and shafts, which keeps mud out. These pipes not only act to protect buttons from impact, they also enhance button operation. In addition, Twin Sensor capabilities provide