This Type of layout has a protracted background at Patek, dating back again for the early sixties Using the ref. 2597 Travel Time Calatrava. As James Stacey mentioned in his Palms-On While using the 5164R in 2019, the motion inside the 2597 originated through the brain of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/