This Sort of style has an extended history at Patek, dating back to the early nineteen sixties Together with the ref. 2597 Travel Time Calatrava. As James Stacey stated in his Palms-On Along with the 5164R in 2019, the movement during the 2597 originated within the intellect of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/