Are Seiko Watches Waterproof?

Yes, Seiko solar watches are waterproof. Even I prefer to wear it while taking a dive. Seiko watches provide unmatchable performance. They are both water and heat-resistant and perfect for daily use.

I have used mine countless times underwater. It is still great in terms of performance and looks. Let me just explain why and how the watches react against water.

When testing the water resistance of a Seiko solar watch, I conducted an experiment in which I submerged the watch in water for a period of 30 minutes.

I observed that even after prolonged exposure to water, the watch was still functioning perfectly.

This suggests that Seiko solar watches are indeed water-resistant, making them a reliable option for those in need of a watch that can withstand extended exposure to water.

Not only that, even according to a study by a freelance science youtuber, Seiko solar watches with water-resistant features can withstand pressures equivalent to a depth of 200 meters.

Additionally, experts suggest that the use of advanced materials like ceramic and titanium make Seiko watches more resistant to corrosion and damage caused by prolonged exposure to water. (Source:

Water Resistance RatingDepthSuitable for
30 meters (3 BAR)98 ftSplash/Rain
50 meters (5 BAR)164 ftSwimming
100 meters (10 BAR)328 ftSnorkeling
200 meters (20 BAR)656 ftScuba Diving

This table provides a quick and easy reference guide to the different water resistance ratings for Seiko watches, along with the corresponding depth that each rating is suitable for and the recommended water activities for each rating.

By referring to this table, Seiko watch owners can easily determine the water resistance of their watch and ensure they are using it in a way that is appropriate for its rating.

Can I shower with my Seiko?

Of course, you can! Because they are WATERPROOF!  Water-resistant Seiko watches are fabricated to protect the internal system from any water damage. However, some watches are not potentially enough to cope with the excessive heat and direct water.

Hence, it is ideal for keeping a check on your manufacturer and this guideline. Basically, the problem is not the water; the changing heat from normal temperature to cool temperature can affect the function of the watch.

For diving and swimming, watchmakers have different categories of watches. They are manufactured in a completely different way. Regular water-resistant watches might not endure the high pressure of water and quick transformation of heat.

Can I swim with a Seiko watch?

Seiko is a trusted brand for a watch. I have been using a Seiko alpinist for around three years. Last summer, I really enjoyed a good time in the pool flaunting my watch. Look, Alpinist is a perfect outdoor watch suitable for all conditions.

Moreover, you don’t have to limit yourself to watching the watch. This watch has a water resistance level of 200m. With 6R15 caliber and 50Hr Reserve automated winding capacity. Alpinist is a perfect choice for a watch lover like me. The best part is the anti-scratch feature with a sapphire-coated texture.

They are 100m/ 330 ft water-resistant with uni-directional bezels. Apart from this model, Seiko offers a great range of sports collections that are specially categorized in the ‘hard watch’ category. From all their exclusive collection, I am really a fan of Seiko Alpinist SARB017.

This watch is worth having with all its impeccable features and water-resistant capacity.

The process of water resistance test

Let us put some light on how a watch meets the checklist of being water-resistant. For a standard watch, the manufacturer first tests the water-resistant mark from their testing laboratory. However, it doesn’t mean it will sustain through high-pressure water. Or even persistently work under excessive heat.

The lab just only ensures that the watch is resistant to a splash of water. They test the method using a cold water base. Hence, if water spills on them, they would not be damaged. Even if you are wearing the watch during rain, and a splash of water smear the dial or bands, it would not affect you.

However, if you are planning to shower or dive every day with the watch on, it may not work!

Effects of water on watches

You might have five years of replacement warranty on your watch. However, if you use the watch daily under direct water or shower with the watch on, it will definitely affect your watch.

No matter how good the brand is and how efficient its system is, you should maintain your watch properly. Otherwise, it will last not more than a year, if not months. Most watches of good brands like Seiko are temperature tested. However, daily showers can significantly reduce the self-life of the watch.

For example: if the watch is under the high-pressure jet spray, it is likely to damage the watch significantly. In contrast, if you by chance drop the watch into your bathtub, it won’t affect you much. Hence, high pressure of water can damage your watch.

One more thing, dive watches are different. They are specially made for swimming and can persist against snorkeling and diving. However, regular water-resistant watches are not suitable for all conditions.

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