The first and possibly most popular model is theRolex DateJust. The DateJust was the first wristwatch in the world to offer the ability to display the date as well as the time in 1945 and has been a hit ever since. The watch is iconic in the Rolex world and there are hundreds of variations including both ladies and men's versions and lots of dial, bezel, and metal combinations. A used Rolex DateJust is a watch every Rolex lover should own.