Casio Men's G-Shock Master of G Series Frogman Depth Sensor GWF-D1000B-1JFProduct Highlights Introducing the new "Frogman" from the G SHOCK Master of G series, continuing the relentless pursuit of toughness and pushing boundaries to the extreme, equipped with specs to support underwater missions and achieving all round evolution. Product Overview For true professionals involved in maritime rescue, the Frogman is the first to feature a triple sensor that enables measurement of water depth, direction, and temperature. To meet