Your watch says 30 meters, does that mean you can go swimming or diving with it?? Almost all watches now-a-days say water resistant and state a depth, but, that doesn't mean it will withstand rain, swimming, water sports or diving! Here's the truth about that water resistant feature in your watch and recommendation for it's usage.
Definition of Water Resistance in a Watch
The different levels of water resistance as expressed in meters are only theoretical. They refer to the depth at which a watch will keep out water if both watch and the water are perfectly motionless. These conditions, of course, are never met in the real swimmer's or diver's world. In real life, the movement of the wearer's arm through the water increases the pressure on the watch dramatically; so it can't be worn to the depths indicated by lab testing machines.
Usage Recommendations
The following usage recommendations are suggested by most watch manufacturers.
- 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.
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