Why can't general waterproof watches wear swimming?

◆Why can't general waterproof watches wear swimming?

A general waterproof watch is not a diving watch. Although it is sealed, it prevents sweat and harmful gases from entering, but it is not absolutely water. At the same time, there will be some unavoidable phenomena during the use of the watch: the rubber band in the crown or the crown tube will wear gradually every day; the watch glass will be affected by temperature and will expand and contract, which will make it and the case There is a gap in the upper frame joint; the waterproof rubber ring of the back cover is aging or corroded by the influence of sweat, which will reduce the waterproof performance of the waterproof watch. Therefore, you must never wear a general waterproof watch to swim and take a bath. It is also necessary to pay attention to washing clothes, washing dishes and cooking. Do not splash water on the watch or allow water vapor to enter the watch. Otherwise, the parts inside the watch will be rusted by water, affecting the quality of travel time and even losing the value of use.