ROLEX Oyster Perpetual Datejust. Réf : ROLEX Oyster Perpetual Datejust. Ref: 1603. Circa: 1974. Steel wristwatch. Round case with screwed back. Crenellated bezel. Crown signed. Signed silver dial. Applied black baton, steel and luminescent dotted (tritium) indexes. Steel and luminescent baton hands. Steel baton central second hand. Date window at three o'clock. Glass fitted with the Rolex Cyclops. Automatic mechanical movement signed ?. Steel bracelet signed with reference 6251H; endlink 55. Diameter: 36 mm Length: 20 cm.