防水表,这个词语我们平日司空见惯,但一只合格的防水表可不是仅仅能够潜水那么简单。生活中我们经常遇到此类的问题,明明写着50米防水的手表,还没有下潜到这个深度就进水了。通常手表标明的30或50防水都是生活性防水。即洗手、下雨、或不慎溅到表上的水。或者可以这么理解:水不能没过整个表身。30米、50米防水都是指5个大气压的压力 Waterproof watch, the term we are commonplace on weekdays, but a qualified waterproof watch is not as simple as diving. We often encounter such problems in life, obviously written in 50 meters waterproof watch, have not dive to the depth of the water. Usually 30 or 50 waterproof watch are waterproof life. That is, wash your hands, rain, or accidentally splashed water on the table. Or you can understand that water can not escape the entire watch body. 30 meters, 50 meters waterproof refers to the pressure of 5 atmospheres