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In this detailed video by perplxr, watch as a hand-wound ETA caliber 6497-1 movement gets overhauled from start to finish,...
On a mechanical movement, the ratchet wheel is located above the mainspring barrel. This wheel is attached to the barrel’s...
This is the original lecture given by Dr. Matthew Clark on the topic of Hairspring Dynamics for American Watchmakers-Clockmakers Institute...
This is the original lecture given by Dr. Matthew Clark on the topic of isochronism and positional adjustment. Dr. Matthew...
There are two kinds of mechanical watches: Automatic and Manual. The difference between the two is that one winds itself...
What is a Flyback Chronograph? In a traditional chronograph watch, the button sequence is top (start), top (stop), bottom (reset)....
This is a fascinating lecture by Roger W. Smith, presented at the Horological Society of New York in December 2017....
This is the original lecture given by George Daniels at the American Watchmakers-Clockmakers Institute (AWCI) in June of 1990. This...