A Rolex Oyster Perpetual Datejust stainless steel gentleman's bracelet wristwatch, Ref. 1603, circa 1975, with signed and jewelled 1570 caliber movement, the signed black dial with silvered baton hour markers and date aperture, the case with fluted bezel, Rolex crown to winding button, numbered between the lugs '1603' and '3928722', the signed case back interior numbered '1601', the jubilee link bracelet with signed foldover clasp, case diameter 3.5cm.