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Pretty interesting that it's essentially a mechanical clock internally. Most of the newer 'mechanical hour meters' still has a quartz internal.
Deoxit to clean up the back. A punch to tighten the rivet.
Pretty interesting that it's essentially a mechanical clock internally. Most of the newer 'mechanical hour meters' still has a quartz internal.
Deoxit to clean up the back. A punch to tighten the rivet.