This Type of style has a lengthy history at Patek, dating again into the early nineteen sixties With all the ref. 2597 Travel Time Calatrava. As James Stacey talked about in his Palms-On with the 5164R in 2019, the motion from the 2597 originated within the mind of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/