Rolex , A wristwatch of 18k gold and steel. Model Datejust, ref. 16013. Mechanical COSC movement with automatic winding and date, cal. 3035. Golden dial with gold hands and hour markers. Rolex Jubilee bracelet of 18k gold and steel with folding clasp. Circumference app. 19.5 cm. Case diam. 36 mm. 1980s.