Cyma Navystar

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Ive been going through the watchmakers stash alot of it is junk but a few gems in there


One being this cyma navystar which has grown on me alot

It runs fine problem is crown and stem are missing i've managed to find a stem for a r480 movement but not a crown

what generic crown would i need any one know

thanks in advance
 
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None of my Cyma's have a signed crown. Get a generic "period" piece..........oh, you'll need a case tube, too.
 
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Here’s mine:



If I were a watchmaker, I’d pop her open to measure..

The crown is 4.5 across, FWIW.