Patek Philippe 2526 Calatrava

Patek Philippe Calatrava in 18kt yellow gold, reference 2526, white enamel dial with applied indexes and seconds at six, mechanical movement with automatic winding. Year 1956, with archive extract.

Launched in 1953, it is the first wristwatch ever made by Patek Philippe with automatic winding movement and waterproof case. The case was produced by Baumgartner and hides inside the caliber 12-600AT.