Three most important points for watch maintenance 2. Good waterproof performance.

　　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.In order to achieve the goal, Patek Philippe watch film Turn cocoon into butterfly, constantly polish product quality, improve business ability, and finally have a place in the market. https://finewatchcare.com/collections/patek-philippe-watch-protection-films

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