This Sort of layout has a long background at Patek, relationship back again to the early 1960s with the ref. 2597 Travel Time Calatrava. As James Stacey described in his Hands-On Using the 5164R in 2019, the movement within the 2597 originated through the mind of Louis Cottier – The https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/