Rolex introduced the original Datejust in 1941 to celebrate the company’s 40th anniversary. It also featured the company’s waterproof Oyster case and a fluted bezel. Over the years, the Datejust movement went through subtle improvements to its features and an expansion of design options. The original Datejust was launched with a case size of 36mm. Later, however, ladies’ and mid-sized versions became available.
The history of Rolex goes back to 1905 where Hans Wilsdorf & Alfred Davis started to produce watches. In 1908 the registered the name Rolex, this is where the it all started. The quality of the watches quickly became known. In 1926 the started with the first waterproof watch ever made. Step by step, Rolex introduced new models that meet the highest specifications.