Patek Philippe World Time Ref. 5131/1P-001 The Patek Philippe World Time ref. 5131/1P-001, introduced in 2017, shows the time in 24 cities around a cloisonné enamel dial depicting the world as seen from the North Pole. The 39.5 mm platinum case is worn on a platinum bracelet. The reference is no longer part of Patek Philippe's collection. - Self-winding Calibre 240 HU with world time - Cloisonné enamel dial, world map seen from the North Pole - 39.5 mm platinum case - Platinum bracelet with deployant clasp Full set. Maker: Patek Philippe. Reference: 5131/1P-001. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.