8kt yellow gold case with an 18kt yellow gold bracelet. Fixed 18kt yellow gold bezel showing tachymeter markings. Green dial with luminous yellow gold hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph – three Green sub-dials displaying: 60 second, 30 minutes, and 1/10th of a second. Automatic movement with a 72-hour power reserve. Scratch-resistant sapphire crystal. Screw down crown. Solid case back. Case diameter: 40 mm. Case thickness: 12.5 mm. Round case shape. Band width: 14.5 mm / 20 mm. Band length: 7.5 inches. Oyster clasp. Water-resistant at 100 meters / 330 feet. Functions: chronograph, hour, minute, second.