This Kind of style has a long record at Patek, dating back again for the early 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 within the 2597 originated in the thoughts of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/