There’s A meticulous degree of artistry within a. Lange & Söhne timepieces. The Lang floral pattern is hand-engraved on Every watch’s harmony clock. This will make every piece unique from one another. With the creation of the first steel 5164A in 2011, Patek involved their Calibre 324 S C FUS, https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/