JLC Geomatic chronometer cal 388s

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Hi, does anyone have a recommendation for service/repair for the above 1960's watch, or do I have to send it back to JLC? I am aware of parts restrictions on more modern watches but thought they were more readily available for older watches, albeit quite a rarely seen one.
 
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768
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1,328
Hi, thank you for your reply. I am in the UK so Zaf isn't really an option for me, unfortunately.