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.Without exception, fwc watch protection film Our customers are willing to purchase their products, because high quality is the concept of their products. https://finewatchcare.com/

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