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Condensation under the crystal: what it means

Updated 28 Sep 2026
Short answerThis indicates that moisture has breached the case's seals and entered the watch, which is a serious issue that can lead to rust and corrosion of the delicate movement.

What to do

It is crucial that you take the watch to a service center as soon as possible to have it professionally dried, inspected for damage, and its seals checked and replaced if necessary.

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