Casio G7900A-4 men's G-Shock Rescue red digital Sport watch carries a case diameter of 50mm and a case thickness of 17mm with 50mm case height. Featured on this model is a fixed bezel, textured function pushers. The caseback on the Casio G7900A-4 is snapped on, maintaining the 200 meters water resistance. The strap is crafted in red resin and is secured using a buckle clasp. This dive watch has a digital dial with digital black Arabic numeral hour markers. Casio G7900A-4 comes with 12/24 hour time display format, auto EL backlight, flash alert, world time, daily alarm, moon and tide graph functions. Protecting the dial is a mineral crystal designed to resist scratches. Powering this stylish watch is a Japanese made quartz movement.