The Incabloc “lyre” shape or “double cone” style shock absorber we know today, is an anti-shock device that was first...
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A Viton gasket is a type of O-ring or seal used in some watches – usually deep dive watches or...
What is the difference between ETA caliber 2824-2 and 2804-2? Both of these calibers are mechanical movements, but the main...
Triovis is a style of watch movement regulator aka precision adjustment device. Triovis regulators offer the ability to fine-tune the...
This is the original lecture given by George Daniels at the American Watchmakers-Clockmakers Institute (AWCI) in June of 1990. This...
If you have a watch geek in your life, you probably want to get them a watch related gift but...
PTS Resources (partner with Hangzhou Watch Company), is based in Hong Kong with offices in Shenzhen and Guangzhou. Made in...
List of lubricant and grease for watch servicing This list will explore some of the popular and widely used products...
There is a lot of confusion in the watch community about Seiko and Seiko-related watches and movements. Most of the...
Glashutte Original is one of the few brands that publishes a price list for service. At the time of this...
What are the main types of GMT watches? GMT watches can be quartz or mechanical in nature, but regardless of...
One of the common issues with the inexpensive Ronda quartz movements is that the coil is exposed without a cover,...
KIF is an anti-shock system made by Kif Parechoc, SA. The company was founded in 1944 and is headquartered in...
What is the difference between a chronometer and a chronograph? While they both share the same root word chrono, a...
In Omega’s own words: “The introduction of the OMEGA Co-Axial escapement in 1999 signalled a revolution in modern mechanical watchmaking....
What is a mecaquartz watch? Mechaquartz or meca-quartz typically refers to a chronograph watch movement that uses quartz technology for...
Although many Seiko watch owners do not service their watches, and some even think of Seikos as being bulletproof, the...
This is a fascinating lecture by Roger W. Smith, presented at the Horological Society of New York in December 2017....
What is Lift Angle of a watch movement? The number of degrees the balance wheel turns while making contact with...
This video shows a tour of the Grand Seiko Studio Shizukuishi. Presented by Masayuki Hirota, Editor-in-Chief of Chronos Magazine Japan...
What does Adjusted in Six (6) Positions mean? You may have seen Adjusted in Six (6) Positions stamped on your...
Brand Manufacture AMT Parent Company Sellita Watch Co S.A. Location Switzerland Known Calibers Sellita AMT5100 M, TAG Heuer TH31-00, Airain...
What is rebanking in watches? Rebanking or knocking (sometimes referred to as knocking the banking) occurs when the pallet fork...
Trending Comments
Longines Caliber L836.6
The differenece is the beat rate. 3Hz vs 5Hz. 6 beats/s vs 10 beats/s.
Orient Caliber F6922
I've had my Mako and Ray Orient watches with these calibers, I guess. Their performance…
Invicta Caliber JSD-006ZY
Apart from the fact, that there is no further information about this caliber anywhere, it…
Seiko Instruments (SII) Caliber VH31
the VH-31 movement coupled with solar or kinetic in a Seiko watch would sell like…
Miyota/Citizen Caliber 9051
I have the 9051 in my Fujitsubo, it appears to be within 3 seconds. I'll…
Active Caliber Listings
It might be a Chinese Standart-movement aka Tong Ji aka 7120 / SS7 with an…
Thank you for sharing your experience with the community. If possible, please submit images of…
Apart from the fact, that there is no further information about this caliber anywhere, it…
This £80 lorus has the y676c with Japan on the rotor
Minute hand on some ETA's 2-hand quartz movements run every 20 secs so that the…