This Type of design and style has a lengthy record at Patek, courting back again to the early 1960s Along with the ref. 2597 Travel Time Calatrava. As James Stacey described in his Fingers-On with the 5164R in 2019, the movement inside the 2597 originated with the brain of Louis https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/