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Old 11 October 2023, 12:16 PM   #1
Dr.Smellody
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Tudor 7995 Caseback oRing size

Hi everyone,

I'm not finding an oRing size for a 7995 Oyster caseback.

Dad's 7995:


I sourced a new tropic 25-12 crystal but need to identify the correct caseback oRing.

Any and all help appreciated.

Thanks everyone.
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Old 11 October 2023, 09:55 PM   #2
linesiders
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My assumption is it uses same gasket as similar cases with that crystal - No Date 34MMs. XRef those cases, come up with a few possibilities and veelolla ; )

Some charts to help you out
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Old 12 October 2023, 12:43 AM   #3
Dr.Smellody
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Quote:
Originally Posted by linesiders View Post
My assumption is it uses same gasket as similar cases with that crystal - No Date 34MMs. XRef those cases, come up with a few possibilities and veelolla ; )

Some charts to help you out
Thanks! I did find that one. Surprised I can't find a chart with 7995 included. They were numerous.
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Old 12 October 2023, 12:49 AM   #4
TuRo
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Agree should be std 34mm no date.

Nice, I'm guessing 1964-68 piece ( as t Swiss t and small rose ).
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Old 4 November 2023, 06:44 AM   #5
Dr.Smellody
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Dad's 7995 with new factory crystal and gaskets.



The caseback crystal was: OR 528 A (528A, 29-528A); ref. 29-292-7

Thanks Xeramic for the info!
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Old 5 November 2023, 02:45 PM   #6
R.W.T.
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Rolex Part 528A O Ring.
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