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...
Recent Comments
My Hamilton H70575733 has this movement. On my wrist during the day, it runs about…
I have this Mathey-Tissot with this movement that was gifted to me in the early…
Probably a dumb question but can a 6497 be converted to a 6498?
This is not correct. You have 2 years to register and you get an extra…
Should have added that in this watch, it's non-hackable and has a ghost date.
This movement is in the Xeric Trappist-1 auto NASA edition.
FORTIS FLIEGER F-43 BICOMPAX