An article allows you to read dive tables
As the name implies, it is the ability to watch diving watch dive into a feature water. Watch the first case is the simplest kind of like a pocket watch style. They consist of three separate components: the middle frame, back cover and the ring. These three parts are tight fit by a simple installation. This architecture has been used to watch for two hundred years, and there is no problem, because the watch is in a pocket, substantially away from moisture and dust. But this simple design for the watch This sleek product has had "not suited" because the watch needs regular activities outside, no dust or water in the washer, so watch humidity and dust become the number one enemy. Therefore, to open early in the watch market, most manufacturers waterproof improvement work to become concerned.
Therefore, the development of diving watch, the original aim, is to not water, is to seal, it is to have more gimmicks. From my many years of practical experience to see wearing a watch, if only for practical, one hundred meters waterproof enough!