How to judge water-resistant for the new watch really waterproof ?

There are many new watch signed water-resistant in the market, but not really waterproof. some buyers tend to buy water-resistant watches, but don’t know how to distinguish them. So how do you judge new watch is not waterproof ?That is a very important thing that can help you safely use new watches. 

(1) withhold waterproof new watch: It's back cover inside a circle of high convex bead, the upper case and back cover can withhold closely together, watch glass and screw waterproof watch is also pressed into the rolling tool, relatively tight, the winding header and rear parts of the shell and also put in contact with a waterproof gasket, open the back cover of this waterproof watch, a knife to pry, and rolled off the back cover is also used to push with your fingers, or withhold lift. 

(2) spiral waterproof new watches: the case on its shell and cover both threads, according to the role of the upper shell and a threaded cover tightly screwed, watch glass is pressed into the rolling tool, more closely, the Article handle the case in advance and screwed back cover and places that are placed waterproof gasket (mostly with nitrile rubber production), they are able to play a role in water, this waterproof watch, the outside back cover of the watch case and some have recess, some polygonal bumps, switch cover must use the appropriate tools. 

(3) sets of pressuretype waterproof new watch: the case on its shell against the bottom cover, the back cover of the watch case is rather special form, surrounded by a high surrounding wall, the movement mounted on the back cover trunks inside, table cover glass mounted directly above the rear enclosure wall, after the shell is pressed into the table and cover glass was tightly trap, and thus play a role in waterproof seal, which the winding stem from connecting the upper and lower sections, the switch cover, the first pick unload the winding head and upper section of the stem, with a special roll on and roll with press tight, no special roll with fingers can press push. 

These are about the different types of waterproof new watches introduction, I do not know everybody understand? It’s better to check the new watches carefully when we buy new watches. So that we won’t only lose money, but also affect the mood.