G Shock Combination Miltary Watch-Matte Black model number is GA-100-1A1 by Casio
Black resin case with a black polyurethane bracelet. Fixed black resin bezel. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Luminiscent hands and markers. World time 29 times zones (48 cities + UTC), multiple alarms and stopwatch functions. Quartz movement. Solid case back. Case diameter: 50 mm. Case thickness: 17 mm. Tang clasp. Water resistant at 200 meters / 660 feet. Functions: digital analog. Casio G-Shock Analog-Digital World Time Black Dial Mens Watch GA100-1A1.