This Sort of design and style has an extended record at Patek, dating back into the early 1960s Along with the ref. 2597 Travel Time Calatrava. As James Stacey described in his Palms-On Together with the 5164R in 2019, the movement in the 2597 originated within the mind of Louis https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/