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No stem locking screw?

skridlov
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oldhippy Distinguished Member

oldhippy

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Remove the other case screw and remove the bezel and I think the movement will push out from the front. I think this type of movement uses a winding system like some Pocket watches where the square part of the stem fits into a slot held within the barrel bridge and lower plate, similar to a Waltham pocket watch.

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wls1971 Distinguished Member

wls1971

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The movement is a Cyma Tavannes and the patent number refers to a negative set stem system developed by them and as oldhippy has stated it is similar to those found on some American pocket watches.

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skridlov WRT Addict

skridlov

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Thanks for the information. I thought that I might completely dismantle this movement as it has no value but the balance appears free. I have yet to attempt a full dis-assemble and clean (and, with luck, re-assemble). Failure is definitely an option in this case!

Thanks again.

Roy

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