Silver-tone stainless steel case with a black rubber strap. Fixed silver-tone stainless steel bezel. Black dial with silver-tone hands and index hour markers. Tachymeter scale around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph - three sub-dials displaying: 60 second, 60 minute and 1/10th of a second. Zenith Calibre El Primero 3604 automatic movement with a 60-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent see through case back. Round case shape, case size: 39.5 mm. Triple folding clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, hour, minute, second. Chronomaster Series. Dress watch style. Watch label: Swiss Made. Zenith Chronomaster Open Chronograph Automatic Black Dial Men's Watch 03.3300.3604/21.C822.