Patek Philippe 18k W/G Perpetual Calendar Retrograde Gents B&P 5159G-001

An 18k White Gold Perpetual Calendar Retrograde Gents Wristwatch, opaline white dial with hand guilloched centre and roman numerals, month aperture at 3 0\'clock, moonphase at 6 0\'clock, date aperture at 9 0\'clock, leap year aperture at 12 0\'clock, retrograde date at centre from 7 to 4 0\'clock, an 18k white gold fixed polished bezel, an original brown leather strap with an original 18k white gold deployant clasp, sapphire glass, automatic movement, in mint condition, comes complete with a Patek Philippe box and papers dated May 2009.