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Old 6 June 2018, 09:34 PM   #61
77T
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Omega Water Resistance..

Quote:
Originally Posted by directioneng View Post

Wouldn't water get past perished gaskets without all this swimming and springboard diving misinfo?


My comment was illustrative and refers to how pressure affects water resistance. We all know depth in water increases pressure on us and our watches. A gasket that may be hardened from age could resist simple contact with static water. But the same gasket under pressure would allow water to intrude, donít you agree?

Now apply some physics of pressure at sea level. Youíre washing your car with a Sub on your wrist. The same perished - my word for that hardened gasket - piece of material may resist the splashed droplets of water your watch encountered. But set your hose nozzle for maximum and blast it against your wrist and the increased pressure may allow water to pass the hardened gasket.

Now letís move to the pool. The moment of inertia climaxing in contact with water increases pressure on a swimmers watch. The energy of the stroke - slow is less, fast and furious is more - into pressure waves in a similar fashion of my car washing example. Diving from a 1m springboard has one effect and diving from a 10m board increases that pressure.

Pressure is the enemy of water resistance - hope my examples helped.


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Old 7 June 2018, 09:31 AM   #62
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Quote:
Originally Posted by SearChart View Post
The safety margin is an ISO standard/rule (+25% of the rated depth) but this is never checked during service, watches are tested at the rated depth. Same goes for every other brand, as long as it's an ISO certified dive watch.
As I posted Bas but you can rearrange it.

A Rolex watch is rated to the depth stated for that model when serviced and tested by a RSC plus a safety margin.
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Old 7 June 2018, 09:49 AM   #63
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Diving from a platform height of 10 meters I will enter the water at approximately 35 MPH.

The triplock and dial gaskets on my Submariner would not even notice that.

But they would feel something at a depth of 300 meters.

As for splashing your arms in water this has been put to rest so many times.

At one time Rolex stated on their website that the triplock was rated to 500 Bar with the crown unscrewed.
Looks like the crown being screwed in just prevents operation of the crown under water - don't change the date and time at 300m depth.

As confirmation of this the Daytona is rated to 100 meters but the pushers have no sealed caps on the screw locks they only have seals on the stem - the screw down function is there to prevent accidental operation under water.
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Old 6 July 2018, 05:26 PM   #64
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Itís somewhat shocking to consider buying a modern watch and not feeling comfortable with washing your hands or taking a shower.
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Old 11 July 2018, 05:31 PM   #65
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Donít swim with any speedmaster. Theyíre rated for static pressure not for the pressure created with swimming. Seamaster on the other hand your good to go
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Old 11 July 2018, 08:04 PM   #66
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Quote:
Originally Posted by OutofControl8 View Post
Donít swim with any speedmaster. Theyíre rated for static pressure not for the pressure created with swimming. Seamaster on the other hand your good to go
Thanks for comment.

Can you provide any empirical data to back up above statement and share with us how much dynamic pressure would increase on the face of watch.
You can use any example let's say at swimming 3ft per second at let's say 10 ft of water depth, or any other you prefer.

Thanks...

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Old 19 July 2018, 05:53 AM   #67
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Quote:
Originally Posted by ajas View Post
Thanks for comment.

Can you provide any empirical data to back up above statement and share with us how much dynamic pressure would increase on the face of watch.
You can use any example let's say at swimming 3ft per second at let's say 10 ft of water depth, or any other you prefer.

Thanks...

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Would also be interested in seeing this. I feel like I always hear back and forth on whether you can wear a speedy while swimming in a pool or sitting in a hottub.
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Old 6 August 2018, 04:00 PM   #68
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Quote:
Originally Posted by ajas View Post
Thanks for comment.

Can you provide any empirical data to back up above statement and share with us how much dynamic pressure would increase on the face of watch.
You can use any example let's say at swimming 3ft per second at let's say 10 ft of water depth, or any other you prefer.

Thanks...

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No unfortunately I canít. But I do feel it would make sense being that the crown is only pushed in and only a small rubber gasket keeping the water from getting in. Most divers that are water resistant have screwed in crowns. I could be wrong but I wouldnít take a chance with a speedy while swimming. Thatís just my opinion.
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Old 12 August 2018, 02:07 AM   #69
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I bought my Speedy Pro in St. Thomas. Within 2 hours, I was snorkeling down to 10-15 ft. I shower with and scrub it about once a month and the watch is now 10 years old. It is not a scuba dive watch, so don't expect it to be. People need to lighten up about this largely irrational fear of water and Speedmasters.
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Old 21 August 2018, 03:39 AM   #70
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Solved the issue

Traded my Speedy 9300 for a POC chrono 9300. I will never worry again. Plus, I like the lume better.
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Old 12 October 2018, 03:55 PM   #71
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Nice chart. :)

I prefer not to wear my important watch for heavy duty works.
Also, presumably any vintage watch would lose the water-proof capability, and only withstand hand washing or raining kind of water.
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Old 9 January 2019, 07:17 AM   #72
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Great info!! Thanks
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Old 15 January 2019, 01:45 AM   #73
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But I still won't be comfortable swimming with my Seamaster
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Old 3 April 2019, 11:56 PM   #74
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this was helpful thanks.
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Old 5 April 2019, 06:56 AM   #75
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thanks for the info
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Old 7 April 2019, 07:43 AM   #76
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good info thanks
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Old 13 June 2019, 07:06 AM   #77
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yes

I agree.
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Old 15 June 2019, 10:16 PM   #78
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Quote:
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But I still won't be comfortable swimming with my Seamaster
Whatever you do, don't ever drive your car, either.
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Old 27 June 2019, 02:53 PM   #79
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Nice chart
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