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Learning center |
How watches work......Glossary of watch terms ......Automatic watch maintenance.....FAQs |
Sizing your watch . .. .Care&Cleaning.................... Buying guide ............................Water resistance and watches |
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Water Resistance and Watches |
Your new watch says it is water resistant,but what exactly does that mean?And how do you care for a water resistant |
watch? |
Definition of Water Resistance |
A watch marked as water resistant without a depth indication is designed to withstand accidental splashes of water only. |
do not submerge such a watch. Higher levels of water resistance are indicated by increasingly higher acceptable depths, |
usually indicated in meters. |
There are a variety of ways to make a watch water resistant.All such watches use rubber gaskets or "O" rings to seal the |
case back.A watch with a back that screws onto the case provides a higher degree of water resistance.Some crowns |
(the "winding stem") actually screw into the case to further increase water resistance. |
Usage Recommendations |
The following usage recommendations are suggested by the Seiko Corporation of America. |
Water-resistant to 30 meters (100 feet).Will withstand splashes of water or rain but should not be worn while swimming or |
diving. |
Water-tested to 50 meters (165 feet).Suitable for showering or swimming in shallow water. |
Water-tested to 100 meters (330 feet).Suitable for swimming and snorkeling. |
Water-tested to 150 meters (500 feet).Suitable for snorkeling. |
Water-tested to 200 meters (660 feet).Suitable for skin diving. |
Diver's 150 meters (500 feet). Meets ISO standards and is suitable for scuba diving. |
Diver's 200 meters (660 feet). Meets ISO standards and is suitable for scuba diving. |
Please note that we do not recommend swimming or diving with your watch unless it has a screw-down |
crown (also known as 'screw-lock' or 'screw-in' crown) and is water-resistant to at least 100 meters. |
Care for a Water Resistant Watch |
It is not recommended to wear your water resistant watch in a hot shower,sauna or hot tub.The extreme heat causes the |
metal parts to expand at a different rate than the rubber gaskets. This creates small openings that can allow water |
droplets to penetrate the watch.Sudden temperature changes are especially harsh. Take care not to jump into a cold pool |
after wearing your watch in the hot tub. |
After swimming or diving in salt water,immediately rinse the watch in a stream of fresh water.If your watch has a rotating |
bezel, turn the bezel several times while rinsing it. This will prevent salt buildup and corrosion of the bezel ring. |
Leather straps can be made to be water resistant too.Generally however,leather straps are more easily damaged by |
frequent exposure to water.So if you are going to wear your watch while swimming -- think of buying one with a metal |
bracelet or a rubber or nylon diver strap. |
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