This is the original lecture given by George Daniels at the American Watchmakers-Clockmakers Institute (AWCI) in June of 1990. This...
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This is a fascinating lecture by Roger W. Smith, presented at the Horological Society of New York in December 2017....
What is a Flyback Chronograph? In a traditional chronograph watch, the button sequence is top (start), top (stop), bottom (reset)....
There are two kinds of mechanical watches: Automatic and Manual. The difference between the two is that one winds itself...
This is the original lecture given by Dr. Matthew Clark on the topic of isochronism and positional adjustment. Dr. Matthew...
This is the original lecture given by Dr. Matthew Clark on the topic of Hairspring Dynamics for American Watchmakers-Clockmakers Institute...
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...
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...
Novodiac is a shock absorber made by Incabloc. It is a Swiss made, removable anti-shock system found in a wide...
KIF is an anti-shock system made by Kif Parechoc, SA. The company was founded in 1944 and is headquartered in...
In this series of videos, SolimBD shows his process of how to service a Tissot Powermatic 80 (aka ETA caliber...
Like the rest of the world, you’re probably washing your hands obsessively these days, but not long after a good...
In this short film presented by the Time Museum in Rockford Illinois (closed in the 90s), businessman and watch enthusiast...
Ball SpringLOCK is a patented shock protection device that acts as a cage around the hairspring, protecting it from jolts...
What is a screw balance wheel? Have you ever seen a balance that looks like a tiny helm on a...
List of lubricant and grease for watch servicing This list will explore some of the popular and widely used products...
What is a Lepine watch movement or caliber? The term Lépine comes from a style of pocket watch that has...
What are “jewels” in a watch? Jewels in a watch are tiny translucent pink or purple stones, also called rubies....
The Incabloc “lyre” shape or “double cone” style shock absorber we know today, is an anti-shock device that was first...
ETACHRON is the name of a type of watch regulator system. Despite being used by many Seiko calibers and listed...
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Recent Comments
In my opinion, eta 2892- 2894 it s better in term of keeping time than…
Used by the Orion Hellcat
There is no regulator on the escapement, regulation is achieved using a laser adjustment system…
Thank you.
The 01 number varies according to the position of the complication. For example ST3600 is…
Hi Thomas, the same manual also states: "Automatic selection of time signal stations (JJY only)"…
MANUAL SAYS RECEIVES ALL SIGNALS, NOT JUST JAPAN.