The most basic feature of waterproof performance is that it can reach 30 meters waterproof, that is, under the condition of 3 atmospheres, the watch case is basically in a closed state.pass fwc watch protection film It can be seen from the present situation that the market prospect is relatively broad, which is conducive to our reference and investment. https://finewatchcare.com/
Good waterproof performance can ensure the long-term use of the watch and is not affected by water vapor and corrosion.