Tudor Was released in 1926 by none aside from Hans Wilsdorf, founder of Rolex. Wilsdorf planned to start a brand name that had the same standing for longevity and precision as Rolex—but was extra present-day in its outlook. Whilst not just as much of the home name as Rolex, Maybe, https://www.watchesworld.com/a-history-of-watch-reference-numbers/