This is the original lecture given by George Daniels at the American Watchmakers-Clockmakers Institute (AWCI) in June of 1990. This...
Watchmaking Lessons
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...
This is a fascinating lecture by Roger W. Smith, presented at the Horological Society of New York in December 2017....
In this short film presented by the Time Museum in Rockford Illinois (closed in the 90s), businessman and watch enthusiast...
Recent Comments
I just purchased a Tisell GMT, P00000BX, that claims to have this movement. I should…
PS. The "Anti-Shock Device" in this caliber is Nivachoc, not Incabloc.
In several sources I found interesting information that this particular caliber has its small seconds…
In my opinion, it runs so accurately, because I hand wind it every nigh or…
My Tissot heritage 1938 cosc, has been running around +15s/month. ETA 2824-2 cosc is an…
Dekla
The Ciga Design Series U Black Hole Watch (Black Steel) uses a Miyota 6T15 movement…