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Competition Chronometer for Observatory Trials and Guarantee of Precision

December 10 2003 at 10:05 PM

PeterCDE  (Login pc01)


Response to Vintage movements

 


GP caliber 32A
Observatory Chronometer, tested by Observatory Neuchatel
(serial numbers edited out)



Certificate of Precision
1968 version
Each fast-beat chronometer was guaranteed to run accurate to 1 minute per month when worn



Certificate of Precision
1966 version



 
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