This Sort of style has a protracted history at Patek, dating back again on the early nineteen sixties with the ref. 2597 Travel Time Calatrava. As James Stacey stated in his Palms-On With all the 5164R in 2019, the movement in the 2597 originated through the mind of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/