In this short film presented by the Time Museum in Rockford Illinois (closed in the 90s), businessman and watch enthusiast...
Watchmaking School
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....
This is the original lecture given by George Daniels at the American Watchmakers-Clockmakers Institute (AWCI) in June of 1990. This...
network of watch sites
Recent Comments
My Swiss Military Hanowa Black Marlin diver's watch has this movement. Very accurate, upto +-2…
My Swiss Military Hanowa Dark Knight has this same movement. Accuracy is comparable to the…
Newer L899 calibres have a power reserve of 72h according to Longines
would it be a chance the cal 0950 is a downgrade version from Cal 0910?
Out of box 1ms Beat Error. +1 sec a day. Can't beat that.
Where can i order this cal eta 988.333?
To me exciting would be if they add Si2 escapement components (balance wheel, balance spring…