The Oyster case, patented as the world's first waterproof watch, is equipped with a perpetual mechanism, the world's first self-winding mechanism that rotates the rotor 360 degrees. The Oyster Perpetual, which can be said to be the origin of Rolex with two of the three major Rolex inventions. It is proof that the letters of OYSTER PERPETUAL are described on almost all dials of models such as Explorer, Submariner and Daytona. In the current model, there is also a model with a datejust mechanism, and it seems that the boundary with the datejust is disappearing, but we are trying to differentiate by case size and dial design, and recently there are multiple dial colors and designs that exist only in this Oyster perpetual It has been announced. This model connects the history of Rolex to the present.