A highly rare and attractive pink gold special editon perpetual calendar wristwatch with officer-style case, special brown dial, applied Roman numerals, moon phase, leap year indication. Patek Philippe 5059R-017 Retrograde Perpetual Calendar made for the London Saatchi Gallery, 5059R, 5059R-017 LONDON, it is estimated that less than 5 examples exist in this configuration, 18k rose gold with a 18k rose gold deployant buckle, automatic Patek Caliber 315/136, day, retrograde date, month, moonphase, leap year, centered sweep seconds hand, warm and rich brown sunburst dial, applied rose gold roman numerals, half hunter case, sapphire crystal.