Tudor Was released in 1926 by none apart from Hans Wilsdorf, founding father of Rolex. Wilsdorf wanted to launch a brand that experienced the same standing for toughness and precision as Rolex—but was a lot more modern day in its outlook. Weiss Watches was Established in 2013 by Cameron Weiss, https://www.watchesworld.com/a-history-of-watch-reference-numbers/