Black resin case with a black resin bracelet. Fixed bezel. Black dial with blue hands and index hour markers. Dial Type: Analog-digital. Casio Calibre 5081 quartz movement. Scratch resistant mineral crystal. Solid case back. Round case shape, case size: 55 x 51.2 mm, case thickness: 16.9 mm. Tang clasp. Water resistant at 200 meters / 660 feet. Functions: perpetual calendar, chronograph, world time, alarm, month, date, day, GMT, hour, minute, second, countdown timer,. Sport watch style. Item Variations: GA100 1A2, GA100.1A2, GA1001A2. Casio G-Shock Black Dial World Time Chronograph Mens Watch GA-100-1A2.