Rolex. A very fine and rare 18K gold automatic wristwatch with sweep centre seconds, day, date, marble dial, bracelet, guarantee and box Signed Rolex, Oyster Perpetual, Day-Date, ref. 18238, case no. E441628, circa 1990 Movement: cal. 3155, automatic, 31 jewels, signed Dial: veined white marble, signed Case: screw back, inside case back stamped 18200, 36 mm. diam., signed With: 18K gold Rolex president bracelet, hidden deployant clasp stamped 8385, overall length of approx. 180 mm., punched Rolex guarantee stamped Uhren-Wallner and dated September 1991, Rolex International Service Guarantee dated 25 June 2015, Bucherer service quote dated 29 June 2015, leather wallet, fitted presentation box