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Discussion Starter #1
As per subject, anyone can help me with the part number? Boley doesn't list it. Thanks in advance.
 

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Discussion Starter #4
Measure with calipers and order by size?
Thanks. Done that before but not sure if its an "O" or "F" (flat) cross section.

According to the database at Borel the gasket is 0C3060B0A or their generic G283-24.
Thanks, Gordon. So it's the same part with the one in the divers. :D
 

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Sweet watch there Indera ! Congrats on owning a beauty like that.

As you probably know, 1967 was a big year in the watch world. Seiko came out with the Lord Marvel 36000 as its first 10 bps HiBeat movement and just missed beating out the Swiss consortium for the world's first commercial 36,000 bph watch. That makes our 1967 issues a little more noteworthy !
 

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For future reference to obtain part #'s, if you Google "julesborel sek 5740-8000" (without the quotes), generally the parts page will be 1st or close to 1st on the results page. Just substitute the calibur - model (xxxx-xxxx) for different Seiko models.
 

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Thanks for the suggestion. Great info!

For future reference to obtain part #'s, if you Google "julesborel sek 5740-8000" (without the quotes), generally the parts page will be 1st or close to 1st on the results page. Just substitute the calibur - model (xxxx-xxxx) for different Seiko models.
 
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