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.more importantly, Rolex sapphire protector Made a fighter in the product, not afraid of any competitor’s attack. https://finewatchcare.com/collections/rolexwatch-protection-films

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