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
Thank you for adding this model to the list, freg!
I have a Longines HC Chrono with ceramic bezel and Si is written on the…
I have an Oris Big Crown Propilot Day Date with this movement in it. Reference…
VENTURA XXL AUTO (H246551) comes with the same movement and is a great and reliable…
UNDONE-POPEYE watch is having this movement (NH35A)
My wife purchased a Seiko V157-0CA0for me several years ago. My problem is it never…
Can be found in the Chase Durer CDW-0037 Air Defense