Patek Philippe Perpetual Calendar Ref. 5140P-017 The Patek Philippe Perpetual Calendar ref. 5140P-017, introduced in 2016, has a 37.2 mm platinum case, a charcoal grey sunburst dial and the self-winding Calibre 240 Q. The reference is no longer part of Patek Philippe's collection. - Self-winding Calibre 240 Q - Ultra-thin perpetual calendar with moon phases; day, date, month, leap year and 24-hour indication by hands - 37.2 mm platinum case, 8.8 mm thick, water resistant to 30 metres - Dial: charcoal grey sunburst, gold applied hour markers - Shiny black alligator strap, fold-over clasp Full set. Maker: Patek Philippe. Reference: 5140P-017. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.