Casio G-Shock GGB100-1A3 Master of G Mudmaster Men's Watch 56mm MSRP $420

From Casio G-Shock, the innovators of tough timekeeping, comes the GG-B100 Master of G Mudmaster watch series that has been designed to endure the toughest environments. This watch features a carbon core guard structure case, in black with grey accents, that allows the internal mechanics of the watch to be protected from shock-induced damage. This watch is mud resistant with metal buttons that form a tight seal on the case, a dual back cover that consists of a stainless steel panel back and an outer cover made of shock resistant fine resin embedded with glass fibers, and the bezel has three layers of fine resin with carbon fiber inserts. The Quad Sensor capabilities provide instant access to a compass, altitude/barometer, thermometer, and an accelerometer that keeps track of your step count. Additionally, this watch connects via Bluetooth to a special G-Shock app records altitude data, route information, and step counts.

Watch only. Worn very little, new battery installed. Great deal!