PATEK PHILIPPE - a gentleman's Retrograde Perpetual Calendar wrist watch. Reference 5159G-001, serial 4529740. Signed automatic calibre 324S QR, numbered 5600994. Satinised silvered dial with black Roman numeral hour markers, month, day and leap year apertures to three, nine and twelve respectively, moon-phase indicator positioned to six, retrograde date track positioned to the centre between eight and five. 18ct white gold case, solid case back opening to reveal exhibition cuvette, fitted to an authentic brown alligator strap with an 18ct white gold deployant clasp. 38mm. Incomplete box.