ROLEX Submariner 'Bluesy' Ref 16613 men's watch from around 1991. Stainless steel / yellow gold 18K. Serial number X865758. Automatic movement cal. 3135 with very good performance (+6 s/d. 298° amplitude). Blue tritium dial with applied indices and date display. The watch was revised in June 2025. As part of this revision, the crown, bezel inlay and crystal were replaced. Rolex Oyster bracelet (strong stretch) in stainless steel / yellow gold 18K with folding clasp. Good condition with visible signs of wear on the bracelet. Proof of revision enclosed. Diameter approx. 40 mm (measured without crown). Fits up to approx. 22 cm wrist size.