This Kind of layout has a long historical past at Patek, relationship again towards the early sixties Using the ref. 2597 Travel Time Calatrava. As James Stacey stated in his Palms-On Along with the 5164R in 2019, the motion within the 2597 originated through the brain of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/