Casio G-Shock GWN-1000B Gulfmaster

Introducing GULFMASTER, the new G-SHOCK Series that’s designed and engineered with the maritime adventurer in mind. GULFMASTER includes the first G-SHOCK models to incorporate both Triple Sensor Version 3 and Smart Access in the same watch. In addition to barometric pressure, altitude, bearing, and temperature readings, these new models also feature Tide Graph and Moon Age capabilities to help keep you in close touch with your natural environment. Sudden extreme changes in barometric pressure are alerted us