Hi everyone
I have an IWC that requires a new balance staff so I need to ID the calibre. Can anyone help please? Or do you have the Ronda Staff number?
Serial 745802
other numbers stamped on movement are +31457 and +55231
12L, 4.3mm thick.
If you know any other interesting information about this movement that would also be great.
High Res Pictures:
http://www.nigelstonier.co.uk/iwc.htm
Thanks
Colin
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