A Stainless Steel and Yellow Gold Ref. 16263 Turn-O-Graph Thunderbird Wristwatch, Rolex, Circa 1998, 36.00 mm case diameter, white dial signed ROLEX, applied gold baton numerals with outer Roman numeral chapter ring, date aperture at 3 o'clock, luminous gold baton hands with center sweep seconds hand, gold bidirectional turning textured bezel calibrated to 60 units, steel tonneau case, screw down gold crown with embossed coronet emblem, screw on case back, Cal. 3135 self-winding 31 jewel rhodium plated movement adjusted to temperature and five positions signed ROLEX, polished gold and brushed steel Oyster link bracelet, deployant clasp.Serial number: U735455.