At The heart of A. Lange and Söhne is a singular history. Established in 1845, the business was expropriated just after the 2nd Earth War. It wasn’t until once the reunification of Germany in 1990 that it returned. If there’s one particular watch manufacturer available that everybody understands, it’s Rolex. https://www.watchesworld.com/a-history-of-watch-reference-numbers/