Rolex. A rare and fine 18K gold and diamond-set automatic wristwatch with sweep centre seconds, day, date, bracelet, Grossularite dial and box Signed Rolex, Oyster Perpetual, Day-Date, ref. 18078, case no. 6’174’078, circa 1979 Movement: cal. 3055, automatic, 27 jewels, signed Dial: grossularite, signed Case: screw back, inside case back stamped 18000, bark-finish bezel, 36 mm. diam., signed With: 18K gold Rolex President bracelet with bark-finish, hidden deployant clasp stamped 18000, overall length of approx. 180 mm., period brochure, seal hang tag, fitted presentation box