Tudor Was introduced in 1926 by none apart from Hans Wilsdorf, founding father of Rolex. Wilsdorf desired to launch a brand that experienced a similar name for sturdiness and precision as Rolex—but was more present-day in its outlook. The red Alpina logo was influenced through the Matterhorn mountain in Switzerland. https://www.watchesworld.com/a-history-of-watch-reference-numbers/