Black resin case with a black resin bracelet. Fixed black resin bezel. Black digital dial. Hours, minutes, seconds, am/pm, day of the week and date. Dial Type: digital. Luminescent auto led light. Full calendar. Casio Calibre 3263 quartz movement. Scratch resistant mineral crystal. Solid case back. Round case shape, case size: 55 x 51.2 mm, case thickness: 17.4 mm. Tang clasp. Water resistant at 200 meters / 660 feet. Functions: hours, minutes, seconds, am/pm, date, multi-function, world time, alarm, chronograph. Additional Info: 1/100-second stopwatch. 12/24-hour format. 5 independent alarms. world time 31 time zones. Military watch style. Item Variations: GD100 1B, GD100.1B, GD1001B. Casio G-Shock Military Mens Watch GD100-1B.