MASTER OF G FROGMAN This is a radio solar model of the G-SHOCK “Frogman” series with a waterproof function for ISO standard 200m diving to support underwater missions. Receives standard radio waves from 6 stations around the world while being equipped with a waterproof function for ISO standard 200m diving. Equipped with log data memory, tide graph, and moon data functions. The operation buttons of the stopwatch have been enlarged to enable reliable operation even underwater. With the fully automatic EL backlight, the liquid crystal part emits bright light even during diving just by tilting your arm. The protection cover, band, and bezel are fixed with screws from the side to improve impact resistance, and the band eliminates the uneven shape for a comfortable fit. Machined stainless steel is used for the front screw on the upper surface of the bezel, and machined high-brightness aluminum is used for the edging of the circular dial display. The screw back metal case is DLC treated and mirrored.