Considering of specific environment, such as deep sea. The wrist watch may be hit when diving. So this replica has security measures to protect it from damage. For instance, it with sapphire crystal which has been with AR coating. It has been used in front of case and case back. And it with premium quality since it was at the lever of Swiss grade NO1. The transparent case back can make us observe its operation of movement. And its bezel was made of black ceramic. As we all known, ceramic was a superior material since it can be wear resistant, and corrosion resistant perfectly. What’s more, the clear scales in bezel may help you use the function of chronograph smoothly.In concert with its main material, it with a brushed stainless steel bracelet. It was more general and cool in appearance.
