I've taken my kids swimming at the neighborhood pool at least 30 times in the past three years, and I've always worn my Marathon TSAR. I haven't had a problem with it yet.

 

I'm sure most will say to just be sure to rinse the watch after the pool with which I can not disagree.
However this baby is 35 years old and has been in many pools and oceans without a rinse and only been serviced twice.
Maybe I'm just lucky.

 

No issues whatsoever with Citizen,Seiko,Armida & Vostok over several years,probably hundreds of pool swims/immersions.

It's cool.

 

I've taken my SS watch swimming in the pool plenty of times over the years and no ill effect has been evident.

 

I'd rinse it just to be safe (maybe some harm to the seals?), but as others have said, you're probably fine. However, a rinse is easy to do.

So, what's the affect of fluoride on a watch?

 

helps prevent cavities from forming in the watch case and bracelet.

 

All my watches have seen both chlorine pools and ocean saltwater and I've never had an issue with any of them. I always give my watches a rinse with fresh water after a swim in the pool, lake, or ocean. It's all good, man!

 

It would be one poor dive watch that could not handle regular duty in the swimming pool or hot tub...

 

Agreed.

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some of those rolex vintage guys use a chlorine bath to prematurely age their bezel inserts.

 

I have 2 g-shocks that have been in countless pools, oceans, lakes and have never received an after swim rinse. They are both working 100% after nearly 6 years of this treatment.

 

Swimming pools usually have around 3-5 ppm of chlorine if properly maintained. This is only just enough to prevent bacteria from growing and turning the water green. It has little to no effect to seals, rubber and stainless steel (or other metals).

Just a quick rinse with tap water once you are done to add an extra layer of safety but not necessary IMO.

S.

 

I've been in many pools with and without rinsing using an early tag aquaracer with no issues. It has pressure tested fine after years of abuse...but DOESN't mean I recommend it.

I've also done the same for a tag formula 1 and it also has pressure tested fine.

That said, those two watches I've unfairly treated as "beaters" compared to my others. Even though they've not had "naked eye" degradation I've had them routinely pressure tested (1/yr). In terms of finish, I've not seen any visible effects (by eye or stereo/microscope) for any watch I've subjected to chlorinated water.

 

I took my Gshock into a hotel pool and the strap now has some grayish streaks in it. I'm not sure what they were trying to kill but the chlorine level was really high


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I would say absolutely no significant effect at all. If the tiny concentration of chloride salts in a swimming pool was bad for your metal watch - what is it doing to your eyeballs?
Diving watches are durable and will last longer than you & I with a little maintenance.

 

I share the sentiment of the poster above. These watches are made of durable materials (even the seals) and I do not worry at all about the effects of chlorine on my divers.

 

It removes the patina from bronze.