Twin SensorThis 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 instant access to direction and temperature information when needed under tough conditions.The face of the watch is marked with large Arabian numerals at 12, 3, 6, and 9 o'clock for easy reading. The face is illuminated by a Super Illuminator, high-brightness auto LED light to ensure high visibility under virtually any conditions imaginable.The band surface is processed to resemble a cloth band texture, and the hour and minute hands are shaped with points that make them resemble warning markers. All buttons have a checkered surface for surer operation, and the overall design is tough and rugged