ZENITH EL PRIMERO CHRONOMASTER CHRONOGRAPH PERPETUAL CALENDAR Reference: 181260400. Serial number: 19. 18k pink gold case. Light grey dial, highlighted by four counters (seconds / days, total minutes / date, total hours / moon phases, years). Self-winding mechanical movement (calibre 4003). Leather strap on folding clasp, signed. Sapphire crystal. Circa 2000. Diameter: 44 mm. Gross weight: 178.4 g. Accompanied by its case and user's manual. An 18k gold wristwatch chronograph automatic movement, by Zenith. Circa 2000. RC : Sold as is, with traces of wear and use. Movement functional at the time of description, please allow for servicing, no warranty.