Waterproof properties
The water resistance of your DETOMASO watch has been tested to be 3
ATM.
This means that it is splashproof and that you may wash your hands with it.
However, the watch is not to be worn in the shower or bath, when swimming
or diving. Waterproofness is not a permanent characteristic; it should be
tested annually and in particular before the watch is put under exceptional
strain, as the seals deteriorate gradually in daily use. The seals are the
important factor in guaranteeing the waterproofness of a watch. These age
naturally and are also affected by perspiration and acids.
ISO 2281 stipulates which standards have to be met by a new watch. The
level of waterproofness is given in atm and noted on the base of the casing.
Your DETOMASO watch has been tested and has a water resistance of 3
ATM. The specification „3 ATM" is not to be confused with the diving depth; it
is simply the definition of the inspection pressure. An inspection pressure of
3 ATM is reached at a depth of 30 m. You cannot go diving with this watch.
In some cases a short-term higher pressure than the guaranteed inspection
pressure may be enforced on the seals, for example when swimming or
diving into water.
Watches are at particular risk when the wearer dives into water after sun-
bathing. The combination of the impact pressure with the negative pressure
caused by the sudden drop in temperature can quite easily cause damage.
It is important to check and, if necessary, replace seals when the battery is
replaced.
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