UNDERSTANDING THE WATCH OF YOUR WATCH

UNDERSTANDING THE WATCH OF YOUR WATCH

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It’s marked “waterproof 30 meters” on your watch, so of course you expect to be 30 meters underwater. But guess what? It’s wrong! If you do, you risk destroying it. To see more clearly about the waterproofness of your watch, follow our guide!

Before you start, be aware that manufacturers indicate the degree of tightness of a watch in meters or atmospheres (the famous ATM).

Waterproof/Water Resistant

If on the back of your watch it is not indicated “water resistant” or that no information is specified, then consider it as allergic to water. Avoid showering, rain and even splashing. We even advise you not to leave it in the bathroom during your shower, the steam could be fatal.

Waterproof 30 meters/3 ATM

Here again forget the diving with the small fishes. A 30 meter waterproof watch is resistant to occasional splashing and possibly rain, but will not support any immersion such as handwashing, washing up or showering.

Waterproof 50 meters/5 ATM

Your watch is waterproof 50 meters? Congratulations, you have a watch that goes under water! To you the pool, but beware, no dive and if you use it at sea, consider rinsing with fresh water and drying it properly.

Waterproof 100 meters/10 ATM

Snorkeling time! So, shower, bath and tonic swim in the pool without any problem. You can swim a few hours with the fish but no diving with the bottles. Remember to rinse your watch well after going out to sea.

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Waterproof 200 meters/20 ATM

A 200 meters water resistant watch allows you to swim, jump in the water and scuba diving with bottles. The use of push buttons is not recommended under water unless the manufacturer’s instructions indicate otherwise.

Two standards to know:

  • The ISO 2281 standard: It validates the tests of the watches bearing the designation “waterproof” which are intended for a common use like the simple swimming or the bathing.
  • The ISO 6425 standard: It is interested in so-called diving watches (100 meters and more) that must withstand immersion of a depth of at least 100 meters and must have a time control system like a graduated telescope.