Are standard analog watches water proof or resistant? How to check?

Are standard analog watches water proof or resistant? How to check?
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#1

confused between picking smart watch and normal watch but how to check how normal watches have water resistance or not. Is there any metric to calculate that?


#2

I was searching for some traditional classic watches yesterday and finalized a list of watches I loved overall. But then I got confused between smartwatches and regular watches, I made a short list of the differences, and out of the points I listed, the one point which triggered me was “Water Resistant.”

Obviously, we are not going to use our standard watch and take a shower, swim or do any other similar activities, but just in case if we are caught up in the rain or even a storm, how durable will it be?

For smartphones, we have this IP rating system, which means Ingress Protection. My Samsung Note 9 is IP68 certified, which means, “6” is the rating for dustproof and “8” is the rating for water-resistant. 68 is a pretty decent number, and it can manage 30 mins in up to 1.5m depth in regular water.

But, what about our standard analog watches?

I was searching for a “Tissot” watch (I bought Tissot Couturier), and I found out it is “Water-resistant up to a pressure of 10 bar (100 m / 330 ft)” but what exactly it means?

> Before I start to explain or explain what I understood, this may not be applicable for old watches, I mean, no matter how much they claim, they will always have that drawback somehow. It’s not a software update to fix things, it’s the hardware part overall.

The bar (in 10 bar) is a metric unit of pressure, although, this is not a universally accepted metric. We can also relate Bar with ATM (Atmosphere).

But, still, this is about ‘Pressure’ here.

3 Bar - 3 Atmosphere - 30 Meters

5 Bar - 5 Atmosphere - 50 Meters

10 Bar - 10 Atmosphere - 100 Meters

20 Bar - 20 Atmosphere - 200 Meters

And it goes on…

You can have a word with the Watch Showroom to understand this further. Let me know if you have any other questions.