Hi,
Check with a local clock or watch repairman to find someone comfortable working on that item. They should be a member of one of the clockmakers guilds to make sure they have the resources available to them.
:I OWN A JARDUR AVIATION CHRONOGRAPH BOUGHT IN 1946 IN PHOENIX, AZ. NEED TO KNOW WHERE TO HAVE IT SERVICED.ALSO ANY INFORMATION ON THE MAKER, VALUE,AND HISTORY.
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