Patek Philippe Perpetual Calendar Ref. 5139G-010 The Patek Philippe ref. 5139G-010, presented in 2011, is the 5139 perpetual calendar with a black lacquer dial, in a 38 mm white-gold case with a hobnail-pattern bezel. The reference is no longer part of Patek Philippe's collection. - Self-winding Calibre 240 Q with micro-rotor - Perpetual calendar, moon phase, leap year, 24-hour display - 38 mm white-gold case, hobnail-pattern bezel - Black lacquer dial - Black alligator strap with white-gold folding clasp Full set. Maker: Patek Philippe. Reference: 5139G-010. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.