This Sort of style has a lengthy history at Patek, dating back again to the early 1960s Along with the ref. 2597 Travel Time Calatrava. As James Stacey mentioned in his Hands-On with the 5164R in 2019, the movement within the 2597 originated from your intellect of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/