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Murks

By Murks
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Murks WRT Addict

Murks

Posted
Posted

Can someone help please no reply to my previous question a want to replace my third wheel jewel and the escapement the jewel measurement a got was 1.07mm-0.22 the measurement is for the third wheel jewel not in this picture movement a posted but different one but same type cousinuk does not  have the same size im looking for what other option do I have?

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nickelsilver Distinguished Member

nickelsilver

Posted
Posted

Jewels come in even 0.10mm increments for the outside diameter. So the one you have is sort of an oddball; you could ream the part it goes in to 1.09mm with a jeweling tool and fit a jewel of 1.10mm, but trying to fit a 1.10mm jewel in a hole made for a 1.07mm jewel will end with a broken jewel. Or, perhaps your measuring is off?

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