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. 2526J
PATEK PHILIPPE REF. 2526J, , MADE IN 1954
Patek Philippe 18K yellow gold ref. 2526J with a Gay Frères for Patek Phillipe s…
$ 150,000.00