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.Actually, it’s not just this reason, fwc watch protection film Its own advantages are also obvious, and it is normal for the market to perform well. https://finewatchcare.com/

　　Good waterproof performance can ensure the long-term use of the watch and is not affected by water vapor and corrosion.