Rolex, a gentleman's bi-colour Oyster Perpetual Datejust automatic wristwatch, Ref:16013, 1980's, signed bi-colour houndstooth dial with raised gilt baton markers, date aperture, sweep centre seconds, steel case with faceted yellow metal bezel, screw back and screw down winding crown, diameter 35mm, bi-colour Rolex jubilee bracelet with deployant clasp.