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Watch Pressure Testing

We have the latest Swiss waterproof testing equipment to pressure test watches. We highly recommend having your water resistant watches pressure tested when changing batteries.


Is my watch Water Resistant to Swim with?

For swimming and diving with a watch, we recommend purchasing a watch of at least 20 ATM, 200m which will be indicated on the watch casing or dial. This means that the watch is rated for use underwater with additional durability in additional to water resistance, these watches generally have screw down crowns. Wearing a watch with a lower ATM whilst swimming, may damage to the watch and movement.

Wearing my watch in water?

When using the watch in and around water, do not pull out the crown to change the time. Ensure that the watch has a screw down crown which is screwed in as well as the pushers. Do not operate the chronograph function whilst the watch is submerged in water.

Certain chemicals in swimming pools and sea water can damage the watch seals as well as perfumes, aerosol sprays and other cosmetics and can dry and crack the seals. Watches should be tested for water resistance every time the battery is replaced and gaskets and seals can be replaced as necessary to maintain water resistance

Always be weary what you are doing with your watch in water. A further note to add is that a lot of watches leak water when on holiday and the three main causes seem to be when the screw down crowns have not been re-screwed after the time has been changed when entering a different time zone. Secondly when sunbathing the watch is subject to extreme heat from the sun for a long period of time then the watch is plunged into a cold swimming pool, this can have detrimental effect on the glass gasket. Thirdly most watches haven’t been in water until this time and the gaskets may have started to perish if it has been a long time since the watch has had a reseal.

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