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Lot Essay
The yellow gold version of the reference 5131 (such as the present example) was launched in 2008, followed by white gold in 2009 and later pink gold in 2014. The dial of the yellow gold example represents the Americas, Europe and Africa, the white gold version shows Europe, Africa, Asia, and Oceania, and finally the dial of the pink gold version shows Asia, Oceania and the Americas.
Reference 5131
Reference 5131 is the successor of reference 5130 and shows three notable differences: use of a distinguishable closionné enamel dial, the names of the 24 cities are displayed in Italic type and the signature Patek Philippe and company location Genève are engraved on the bezel. Only two or three enameller artists are able to produce these rare dials and together they can only deliver 30-40 dials of each color every year. A modern world time wristwatch, the mechanism dates back to the 1930s when talented Geneva watchmaker Louis Cottier devised it and offered his invention to Patek Philippe. Cottier's ingenuity resulted in the company's now classic references 1415 HU and 2523. In 1959, Patek Philippe obtained a patent for Cottier's device (Swiss Patent No. 340 191). The company further developed the movement, introducing calibre 240 HU in 1999.
Reference 5131
Reference 5131 is the successor of reference 5130 and shows three notable differences: use of a distinguishable closionné enamel dial, the names of the 24 cities are displayed in Italic type and the signature Patek Philippe and company location Genève are engraved on the bezel. Only two or three enameller artists are able to produce these rare dials and together they can only deliver 30-40 dials of each color every year. A modern world time wristwatch, the mechanism dates back to the 1930s when talented Geneva watchmaker Louis Cottier devised it and offered his invention to Patek Philippe. Cottier's ingenuity resulted in the company's now classic references 1415 HU and 2523. In 1959, Patek Philippe obtained a patent for Cottier's device (Swiss Patent No. 340 191). The company further developed the movement, introducing calibre 240 HU in 1999.