Guides
The Incabloc “lyre” shape or “double cone” style shock absorber we know today, is an anti-shock device that was first...
This is a fascinating lecture by Roger W. Smith, presented at the Horological Society of New York in December 2017....
“Workhorse movement” is a label given to certain watch movements by enthusiasts and collectors in many watch communities. The term...
There is a lot of confusion in the watch community about Seiko and Seiko-related watches and movements. Most of the...
List of lubricant and grease for watch servicing This list will explore some of the popular and widely used products...
Power Reserve refers to the running time of a fully wound mechanical watch (manual-wind or automatic). For example, if you...
What is rebanking in watches? Rebanking or knocking (sometimes referred to as knocking the banking) occurs when the pallet fork...
Triovis is a style of watch movement regulator aka precision adjustment device. Triovis regulators offer the ability to fine-tune the...
How Many Grades of Sellita Movements Are There? Sellita offers four grades of watch movements. Just like some ETA movements,...
Ball SpringLOCK is a patented shock protection device that acts as a cage around the hairspring, protecting it from jolts...
Brand Manufacture AMT Parent Company Sellita Watch Co S.A. Location Switzerland Known Calibers Sellita AMT5100 M, TAG Heuer TH31-00, Airain...
PTS Resources (partner with Hangzhou Watch Company), is based in Hong Kong with offices in Shenzhen and Guangzhou. Made in...
What is Lift Angle of a watch movement? The number of degrees the balance wheel turns while making contact with...
PreciDrive and PowerDrive are confusing! It’s hard enough to buy ETA movements, and now the quartz movements that are available...
What is a mono-pusher? A monopusher is sometimes also called a single-button chronograph. It is when a watch with a...
Diashock is the name of Seiko Watch Corporations’s proprietary anti-shock system (or shock absorber) for mechanical/automatic watch movements. It was...
A Viton gasket is a type of O-ring or seal used in some watches – usually deep dive watches or...
This is the original lecture given by Dr. Matthew Clark on the topic of Hairspring Dynamics for American Watchmakers-Clockmakers Institute...
Trending Comments
Sellita Caliber SW200 VS SW200-1
Wow man, you should join the R0l3X club, they're desperately looking for new members, but…
Sellita Caliber SW200 VS SW200-1
Basically you are saying that one of the world's most used workhorse movements is complete…
Seiko Caliber 6N52
Thank you for sharing with the community.
Hangzhou Caliber 6460
One more update. I had a watchmaker regulate it 3 weeks ago. I wanted to…
ETA Caliber C07.XXX
I can confirm that the escape wheel from a standard 2824-2 movement is NOT interchangeable…
Active Caliber Listings
Tengo un mondaine big date que al cambiarle la baterĂa dejo de funcionar la verdad…
Hi Joe, sounds like they were just back-ratcheting while manually winding. As for the rotor,…
"The rotor winds in both directions to reduce winding time." I've seen a video showcasing…
I looked at a 2007-2009 M832118 When I went to set the time clockwise rotation…
How's that accuracy holding up now? Going to pick up my Reverse Panda next month,…