Manufacturer MB&F Caliber Number LM-Perpetual Type Manual wind Jewels 41 Number of Parts 581 Power Reserve 72 hours Vibrations Per...
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Manufacturer MB&F Caliber Number LM-Thunderdome Type Manual wind Jewels 63 Number of Parts 413 Power Reserve 45 hours Vibrations Per...
There are two kinds of mechanical watches: Automatic and Manual. The difference between the two is that one winds itself...
This is a fascinating lecture by Roger W. Smith, presented at the Horological Society of New York in December 2017....
How to disassemble a Unitas/ETA caliber 6497 movement? There are some excellent videos of how to disassemble a caliber 6497/6498...