Casio Men's G-Shock Solar MultiBand Atomic Watch Solar-powered multifunction watch with full auto EL backlight, 4 daily alarms, and 41 world time zones Additional functions include 1/100 sec stopwatch countdown timer and 12/24 hr formats 46.4 mm resin case with mineral dial window Japanese quartz movement with digital display Resin band with buckle closure Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving