The ref. 2507/1R is a relatively unknown and rare reference from the 1950s. As thinner watches became increasingly fashionable, Patek offered Calatravas featuring its thin caliber 10-200. This example was made for the US market as indicated from the HOX on the movement and 18k on the outside caseback. This example has just been serviced and has a recent Extract from the Archives.
REF. 5116R-001
PATEK PHILIPPE PINK GOLD CALATRAVA WITH ENAMEL DIA…
Full Set Patek Philippe manual-winding 18K pink gold Calatrava, Sold in 2014
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