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Geplaatst op 15-01-2026 door Marc Hut
A diving watch is a watch designed to function reliably in and around water. With a real diving watch, you should at least be able to snorkel or go recreational diving. A real diver's watch is not only about water resistance, but also about safety and functionality: a sturdy case, good readability and often a diving bezel to keep track of your time underwater.
Many watches are water-resistant, but not every waterproof watch is automatically suitable for diving or even swimming. Water resistance is often indicated in ATM (atmospheres), bar or metres. This is a test under ideal conditions and does not say everything about practical use (such as jumping, temperature changes or intensive use). Always check the water resistance of your watch and what this means. It is important to know how waterproof your watch really is. You can read more information in How waterproof is your watch?
Use this guideline to determine what you can and cannot do with your watch:
Even if a watch is waterproof, it cannot withstand hot water. Hot water from a tap, bath or sauna can deform the case components. This can cause the seals to lose their sealing effect. This is one of the most underestimated causes of waterproofing problems, especially in combination with steam and soap.
The right choice depends on how you intend to use it: swimming, snorkelling, recreational diving or intensive water sports. Don't just look at the water resistance rating, but also at the build quality, the crown and the practical functions.
These are features you should look for in a model that you can wear with confidence in and around water:
Make sure the watch fits over your diving suit.
Well-lit hands and indices.
ISO 6425 is the well-known standard for diving watches. The advantage: extra assurance that the watch not only claims to be water-resistant, but has also been designed and tested with diving in mind (such as readability, safety and functional requirements). Read all about it in Diving watches with ISO 6425 standard: What does that mean?
Water resistance is not a lifetime guarantee. Gaskets age, an impact can cause damage, or the crown may have been accidentally left open. Do you see condensation under the glass or are you unsure? Don't wait too long, as moisture can damage the movement and the dial. Do you have moisture or water in your watch? Is your watch no longer waterproof? Don't wait too long to do something about it!
Citizen is loved for its combination of robust construction, reliability and smart technology. If you are looking for a diving watch that you can wear with confidence, start with Citizen diving watches: reliable and truly waterproof.
A professional diving watch is usually extra robust, exceptionally easy to read and made for intensive use in water.
If you are looking for a diving watch, pay particular attention to its water resistance and what you plan to do with the watch. Also make sure that the watch has a solid construction with, for example, a screw-down crown and a secure unidirectional diving bezel. With our tips, you can quickly choose the model that suits you and avoid disappointment!
