This Sort of layout has a protracted background at Patek, dating back to the early sixties Along with the ref. 2597 Travel Time Calatrava. As James Stacey described in his Hands-On Using the 5164R in 2019, the movement during the 2597 originated within the head of Louis Cottier – the https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/