This is the original lecture given by Dr. Matthew Clark on the topic of Hairspring Dynamics for American Watchmakers-Clockmakers Institute...
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I have a similar one with more perlage and signed DF&am...
Colino191 , 12 hours ago
Hi this movement is inside of a 1910s era trench watch....
andyf , 4 days ago
RE: Which quartz movement is better
Hello! As for battery running time: Seiko 6N52 - ...
calibercorner , 4 days ago
Which quartz movement is better
Hello Between these three quartz movement which on...
Alee_mn , 5 days ago
What is the reference for the ETA 2623 endstone
Hello, I've lost the endstone for the ETA 2623, I've se...
Warlok , 6 days ago
Recent Comments
However they need at least 18 months of power reserve in high consumption features... and…
Used in my Oris 01 635 7500 4164-07 8 20 50.Day date
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I hate the g10-212 movement and think that is worthless and also the watches that…
Is there any feedback on the quality of this movement? General reliability, timekeeping, serviceability etc
This movement does not have hacking seconds.
I just ordered a Jen Mayen. The LJP movement in this watch is the Soigné…