Brought to you from the Casio Master of G Series Mudmaster, designed and engineered to withstand rough land environment, comes the GG-B100-1A3 model that incorporates a new type of structure. Made from high carbon materials, this metal sealed piece filters to protect against all forms of compounds - with it's mud resist structure. In addition, this piece features shock resistant fine resin, a compass, altitude/barometer and temperature measurements for every adventurer.