Material - Made of great optical mineral glass, it is not easy to break and has a long service life.
Feature - The AR-coated mirror increases the light transmittance and reduces the impact of radiated light on the line of sight. It is crystal clear and has high transparency.
Application - Easy to install and replace, the broken one can be easily replaced. It's very suitable for watch repairman to repair their watch by themselves.
Note - Before installation, look along the edge of the glass lens and you will see which side is coated. The coated side should be installed on the bottom.