This is the original lecture given by Dr. Matthew Clark on the topic of Hairspring Dynamics for American Watchmakers-Clockmakers Institute...
American Watchmakers-Clockmakers Institute
This is the original lecture given by Dr. Matthew Clark on the topic of isochronism and positional adjustment. Dr. Matthew...
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...
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I have this movement in my Furlan Marri Salmon Flyback - beautiful looking and performs…
You can buy these for self-builds now. I've gotten mine thru CousinsUK.
Mysterious Code watch from China, +/- 0 seconds per day! Contoured dial, beautiful polishing! What…
My 2021 Longines Conquest L3.777.4 black dial has L-888.3. Lovely smooth movement, it's just a…
Cronos watch has the PT5000 stamped on the movement. Clocking about +1/-1 spd out of…
Just purchased a 1970s J.W. Benson with this movement.
HI' EVERY ONE': HOW TO ADJUST THE MOVEMENT/ ADVANCED OR RETARD AT THE MAIN SPRING(…