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Timothy, I would think that the Compur is not unlike any Universal Geneve Chronograph with two registers.... Only difference is the dial?
So maybe broaden the search?
Good Luck, M
You'll have to determine the caliber number. It should be a 3 digit number stamped into one of the plates of the movement. You may then be able to look it up on the Cousin's website.
Here is a brief description of how to do this: "Technical Guides and Manuals: http://www.cousinsuk.com/ A. Shild, A. Shield, Citizen, ETA, ISA, LeCoultre, Omega, Rolex, Seiko, many others. Just type in the caliber number you're looking for in the search field, click "search" then on the next page, click the tab "document matches" underneath the search field. or click here to search by manufacturer (this is nowhere near as fast) http://www.cousinsuk.com/document/category/4.aspx "
The best resource I've found for servicing vintage chronographs is the Esembl-o-graf series of books by William Smith. The NAWCC library has a set and it is also available on eBay as a cd. There are detailed drawings and assembly and disassembly instructions as well as toubleshooting.
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