This Type of style has a long history at Patek, relationship back again for the early 1960s with the ref. 2597 Travel Time Calatrava. As James Stacey outlined in his Palms-On Together with the 5164R in 2019, the movement while in the 2597 originated from your mind of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/