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