What can cause water to enter a watch?

　　Water ingress in a watch can be caused by many reasons, from the user themselves, to the manufacturer, to the external environment, all of which are possible causes. Specifically, they are divided into the following four reasons.

　　1. Forgetting to lock the crown after adjusting the time: This accounts for a large proportion of many water ingress cases. Many people are careless, and because their watch itself is water-resistant—for example, some expensive watches have very good water resistance, and price can sometimes indicate quality—Cartier watch official website pricethe price is relatively high, and the watch also has very good water resistance, so many people forget to close the crown after adjusting the time. This is water ingress caused by one's own reasons.

　　2. Ageing of the watch's own waterproof gasket: This also accounts for a large proportion of the reasons for water ingress. Because owners of watches that do not support water resistance are already used to keeping them away from water sources, while few people know when their water-resistant watch stops being waterproof, sudden water ingress can easily happen.

　　3. Cracks in the crystal: Some people who do not pay much attention to watch maintenance do not care if they accidentally bump the watch crystal, even if some have cracked into visible fissures, the owner still wears it without seeking repairs. It is this carelessness that often allows moisture in the air to fly in.

　　4. The watch itself does not have water resistance: Many watches still do not have water resistance, or can only guarantee no water ingress when worn during hand washing. Therefore, owners of such watches must be extra careful and must never take them to dangerous areas. If it does not come with a swimming function from the factory, it cannot learn it even with training.