ROLEX - a very rare gentleman's Oyster Perpetual Date Submariner 'Lapis Lazuli' bracelet watch. Circa 1991. 18ct yellow gold case with calibrated bezel. Reference 16618, serial X706579. Signed automatic calibre 3135 with quick date set. Blue lapis lazuli dial with luminous hour markers, date aperture to three. Fitted to a signed 18ct yellow gold Oyster bracelet with Fliplock clasp. 40mm. Box.