In the year of 1960, Rolex launched the first DEEPSEA watch, which is a professional waterproof series watch of Rolex brand, and the 3900 waterproof depth cannot be used by many people in a life. It is equipped with the patented Ringlock system, and this is a Nitrogen alloy inner ring, which is light and solid.
In the year of 1982, Rolex launched the newest GMT-Master II series watch, and GMT-Master watch were popular among the Pan American World Airways pilots, to become the observatory wrist watch on board. The classic GMT watch is equipped with the arrow-head 24 hour pointer and the gradual scale rotary outer ring. The first Rolex watch equipped with the Cerachrom outer bezel, it is extremely anti-scratched and it is harder than the stainless steel. It brings more perfect way of pilot with the fashionable style for the more closely linked world.
Rolex in 1992 launched the first Yacht-master wrist watch, which is equipped with platinum or gold two-way rotating outer ring, to accurately record the sailing time. Its unique dial is equipped with the big hour mark and Pointers, to ensure the wearer can read the time easily. And it can ensure waterproof as deep as 100 meters. Excellent chronometer can also be reliable when placed on land or under the sea. Rolex in the year of 2007 launched the new Yacht-master II wrist watch, which is the timing chronograph specially designed for sailing race. And it has the unique countdown function, set by 10 minutes to 1 minute mechanical memory programming. No matter what situation you are, it is still clear and readable. Patent Ring Command rotating outer Ring is its characteristic, and this outer bezel can interact with the wrist watch movement. It is an unprecedented combination with precious structure and simple operation.