Patek Philippe 18k W/G Black Dial Perpetual Calendar Chrono B&P 3970G

An 18k White Gold Perpetual Calendar Chronograph Gents Wristwatch, black dial with applied index batons, 30 minute recorder and leap year indicator at 3 0\'clock, date sub-dial and moonphase at 6 0\'clock, small seconds and 24 hour sub-dial at 9 0\'clock, day and month aperture at 12 0\'clock, a fixed 18k white gold polished bezel, an original brand new black leather strap with an original 18k white gold deployant clasp, sapphire glass, exhibition back, manual wind chronograph movement, in excellent condition,comes complete witha Patek Philippe box,an original 18k white gold pusher, an additional original 18k white gold solid caseback, and papers dated November 2003.