Many friends say that the only one watch, if they should buy in their life, should goes to Rolex, and it should be Rolex Submariner. Rolex Submariner, promoted in 1953, was the first diver watch that is waterproof to 100 meters. After that, the water resistance of the Rolex Submariner watch jumped up to 300 meters thanks to the triplock triple waterproof system. It is a necessary tool when you are in the ocean, and it is also a widely-accepted watch in our daily life. Today, we will look more detail about rolex blue dial.

Rolex Submariner 116613LB has a symbolic Oyster case, and a lens on the date aperture. Besides, the case diameter reaches 40 mm and the thickness of it reaches 12.5 mm. The case is made of special yellow Rolesor which was designed by Rolex. Fitting with a blue dial, and ceramic bezel, and numbers coated with Cerachrom, Rolex Submariner appears to be fashion, and serious.

Speaking of Submariner, we feel necessary to talk about the Cerachrom ceramic bezel. The big advantage of this bezel, is the brightness and class. Cerachrom was invented in 2005, and to make it perfect, Rolex put tons of efforts: first, it needs to be heated to 1500 degrees to harden it, and then draw and engraves the profile of numbers on the bezel that is as hard as diamond. And this bezel alone would take 40 hours to finish.

Winding crown with triplock triple waterproof system is specially developed for Rolex Submariner and it was promoted in 1970. After years of improvement, triplock triple waterproof system consists of 10 different groups of components. After assembling it, technicians just need to screw it tightly and the Oyster case would guarantee the rest. Bracelet is a typical Oyster three-piece links which are made of yellow gold.