Reference 16520 Daytona 'Zenith' | A stainless steel automatic chronograph wristwatch with bracelet, Circa 1998 Dial: black Caliber: cal. 4030 automatic, 31 jewels Movement number: 199’569 Case: stainless steel, screw down case back Case number: A’955’230 Closure: stainless steel Rolex bracelet with folding clasp Size: 40 mm diameter, bracelet circumference approximately 180 mm Signed: case, dial and movement Box: no Papers: no