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Ball SpringLOCK is a patented shock protection device that acts as a cage around the hairspring, protecting it from jolts...
Chronograph pushers are typically spring loaded with a coil between the button and the case. But what keeps it in...
There is good design and there is bad design. And there is design that is both – or is it...
ETACHRON is the name of a type of watch regulator system. Despite being used by many Seiko calibers and listed...
What is a Flyback Chronograph? In a traditional chronograph watch, the button sequence is top (start), top (stop), bottom (reset)....
The Incabloc “lyre” shape or “double cone” style shock absorber we know today, is an anti-shock device that was first...
KIF is an anti-shock system made by Kif Parechoc, SA. The company was founded in 1944 and is headquartered in...
This is the original lecture given by George Daniels at the American Watchmakers-Clockmakers Institute (AWCI) in June of 1990. This...
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....
What is a Lepine watch movement or caliber? The term Lépine comes from a style of pocket watch that has...
Novodiac is a shock absorber made by Incabloc. It is a Swiss made, removable anti-shock system found in a wide...
Brand Omega Part Name Spirate System Part Type Balance/regualator Material Si14 (silicon) Country of Manufacture Switzerland, Swiss made Known Calibers...
What is a Pointer Date? A pointer date aka date pointer (aka date hand) is a calendar complication that typically...
What does Adjusted in Six (6) Positions mean? You may have seen Adjusted in Six (6) Positions stamped on your...
On a mechanical movement, the ratchet wheel is located above the mainspring barrel. This wheel is attached to the barrel’s...
What is a screw balance wheel? Have you ever seen a balance that looks like a tiny helm on a...
In this series of videos, SolimBD shows his process of how to service a Tissot Powermatic 80 (aka ETA caliber...
Triovis is a style of watch movement regulator aka precision adjustment device. Triovis regulators offer the ability to fine-tune the...
There are two kinds of mechanical watches: Automatic and Manual. The difference between the two is that one winds itself...
https://www.youtube.com/watch?v=Xnh7O22mduE In this detailed video by perplxr, watch as a hand-wound ETA caliber 6497-1 movement gets overhauled from start to...
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Mido All Dial
My wife's 2024 Tudor m35800-0010 Clair de Rose is fast by about 8 minutes per…
Van der Gang (20053) uses a Soprod M100
Hello, Have you got any informations about date changing? I mean is it linked to…
I own a Seiko Quartz (Case 5039) built Feb 1982 with the 6533 movement. It's…
Miyota 0S20
Benjamin James Scarfour automatic uses this movement.