Water-resistant watches
When choosing a clock is very important to pay special attention to their waterproof qualities. Based on thefact , for what purpose you are buying a watch and the conditions under which they will use in the future , you can choose the most appropriate degree of protection from conventional nevodostoykih , to hours inwhich you can practice snorkeling.
As for protection against moisture hours are divided into these types :
· Nevodostoykie - these watches do not have contact with the water ;
· Water-resistant (Water Resist-WR) - these watches have a minimum degree of protection against moisture, they are able to cope with a very small amount of moisture , such as rain or washing hands ;
· Waterproof - in these hours you can swim, dive, swim , and do not worry about their integrity and safety . Generally they can withstand pressures up to 20 atmospheres (200 meters of the water column ) . The maincondition for their use is a close fit to the body of the back cover and crown. However, one should also bearin mind that for very long-term use, water can still penetrate into the body and cause damage.
Typically, the degree of protection against moisture is indicated by special markers WR + number that standsfor the maximum depth:
· WR30 - such a watch is very tight and can withstand minor of contact with the water for a short time ( rainspray ), and fogging ;
· WR50 - in these hours can easily take a shower and swim, to dive into them but still not recommended ;
· WR100 - these models are able to withstand any kind of water sports , except scuba diving ;
· WR200 - in these watches can safely dive into the water , diving . ,
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