Patek Philippe Perpetual Calendar Ref. 5320G-001 The Patek Philippe ref. 5320G-001, introduced at Baselworld 2017, is a perpetual calendar in 40 mm white gold with a cream lacquered dial and applied blackened-gold Arabic numerals. The reference is no longer part of Patek Philippe's collection. - Self-winding Calibre 324 S Q - Perpetual calendar, moon phase, leap year, day/night indication - 40 mm white-gold case, water resistant to 30 metres - Cream lacquered dial - Chocolate brown alligator strap with white-gold fold-over clasp Full set. Maker: Patek Philippe. Reference: 5320G-001. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.