Rolex Datejust 18k Gold Steel Black Dial Watch 16013 METAL: 18k Gold/ Stainless Steel. MEASUREMENTS: Case 36mm, two tone jubilee band - shows stretching. Will fit approx. 7.25" wrist. Black dial with acrylic crystal, has scratches. MOVEMENT: Automatic, not working. Ref. 16013, Ser # 9122***. Circa 1986. Watches are guaranteed to be in running order, if described as such, at the time of listing only. Watches have not been tested for features functionality, unless otherwise stated in description.