The Casio G-SHOCK Master of G Frogman GW8230B-9A is a shock-resistant 30th anniversary limited edition watch. The solar powered movement is contained within a 52mm x 50.3mm black ion-plated titanium case with a black resin bezel. The black dial showcases a digital time display covered with mineral glass. This watch features a large variety of functions including: dive time, surface interval, moon data, 1/100-second stopwatch, 5 daily alarms, hourly time signal, battery power indicator, world time, tide graph, a countdown timer, and a full auto-calendar. The black resin strap is secured by a tang buckle. Water resistant to 200 meters.