Men's automatic chronograph with yellow gold case, black oysterflex strap and a fixed black monobloc bezel featuring tachymeter markings (cerachrom). Black analog dial includes luminous yellow gold-tone hour and minute hands alongside index markers and outer minute ring. Sapphire crystal glass is scratch resistant. Powered by Rolex Calibre 4130 automatic movement with a 72-hour power reserve; includes chronograph function, central second hand displaying hours/minutes/seconds at the primary time complication (functions: chronograph). Water resistant up to 100 meters / 330 feet.