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Universal Geneve Space Compax HELP HELP!!!!

J
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I am working on a UG Cal 85 space compax. The crown and tube are intact. The stem is missing. It has a locking crown but the crown only has a female thread. Does anyone know what the schematic is for the Cal 85? It is a Valjoux 72, but it must have some kind of spring loaded stem. Any help is appreciated.

I am also looking for some parts. 20mm UG bracelet ends for Gay Freres original band.

Please advise
John
 
Gopher
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Yes, this system is spring-loaded with fine internal threads. It is a weak point on these models (along with rubber pushers) and Polerouter Subs Gen 2 and 3. I own several of each of these models and have had to repair one. It is not for amateurs or the faint of heart.
 
CafeRacer
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old thread, but ive unearthed a handful of NOS space-compax stem parts if anyone needs one
 
Gopher
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CafeRacer CafeRacer
old thread, but ive unearthed a handful of NOS space-compax stem parts if anyone needs one
PM sent.
 
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