There’s A meticulous standard of artistry inside a. Lange & Söhne timepieces. The Lang floral sample is hand-engraved on each watch’s equilibrium clock. This would make every bit unique from one another. Together with the generation of the first steel 5164A in 2011, Patek included their Calibre 324 S C https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/