Tudor Was launched in 1926 by none aside from Hans Wilsdorf, founder of Rolex. Wilsdorf wanted to start a manufacturer that had the exact same status for longevity and precision as Rolex—but was much more up to date in its outlook. Weiss Watches was founded in 2013 by Cameron Weiss, https://www.watchesworld.com/a-history-of-watch-reference-numbers/