Patek Philippe Perpetual Calendar Chronograph 3971

PATEK PHILIPPE. A FINE AND EXTREMELY RARE 18K WHITE GOLD PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH MOON PHASES AND LEAP YEAR INDICATION SIGNED PATEK PHILIPPE, GENEVE, REF. 3971, MOVEMENT NO. 875'410, CASE NO. 2'857'988, MANUFACTURED IN 1989 Cal. 27-70 Q mechanical lever movement stamped with the Geneva seal, 24 jewels, silvered matte dial, applied white gold baton numerals, two apertures for day and month, three subsidiary dials for 24 hour indication combined with constant seconds, 30 minute register combined with leap year indication and date combined with moon phases, circular case, glazed display screw back, two round chronograph buttons in the band, 18k white gold Patek Philippe buckle, case, dial and movement signed 36 mm. diam. , Prospective purchasers are advised that several countries prohibit the importation of property containing materials from endangered species, including but not limited to coral, ivory, tortoiseshell and crocodile. Accordingly, prospective purchasers should familiarize themselves with relevant customs regulations prior to bidding if they intend to import this lot into another country.