What does Adjusted in Six (6) Positions mean? You may have seen Adjusted in Six (6) Positions stamped on your...
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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 a screw balance wheel? Have you ever seen a balance that looks like a tiny helm on a...
What is a Flyback Chronograph? In a traditional chronograph watch, the button sequence is top (start), top (stop), bottom (reset)....
Triovis is a style of watch movement regulator aka precision adjustment device. Triovis regulators offer the ability to fine-tune the...
On a mechanical movement, the ratchet wheel is located above the mainspring barrel. This wheel is attached to the barrel’s...
In this short film presented by the Time Museum in Rockford Illinois (closed in the 90s), businessman and watch enthusiast...
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...
This is the original lecture given by George Daniels at the American Watchmakers-Clockmakers Institute (AWCI) in June of 1990. This...
KIF is an anti-shock system made by Kif Parechoc, SA. The company was founded in 1944 and is headquartered in...
List of lubricant and grease for watch servicing This list will explore some of the popular and widely used products...
There is good design and there is bad design. And there is design that is both – or is it...
Chronograph pushers are typically spring loaded with a coil between the button and the case. But what keeps it in...
What is a Lepine watch movement or caliber? The term Lépine comes from a style of pocket watch that has...
This is the original lecture given by Dr. Matthew Clark on the topic of Hairspring Dynamics for American Watchmakers-Clockmakers Institute...
In this series of videos, SolimBD shows his process of how to service a Tissot Powermatic 80 (aka ETA caliber...
Novodiac is a shock absorber made by Incabloc. It is a Swiss made, removable anti-shock system found in a wide...
Ball SpringLOCK is a patented shock protection device that acts as a cage around the hairspring, protecting it from jolts...
There are two kinds of mechanical watches: Automatic and Manual. The difference between the two is that one winds itself...
What is rebanking in watches? Rebanking or knocking (sometimes referred to as knocking the banking) occurs when the pallet fork...
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Hi Bobmartens, the chart has been updated. Please see the section "Caliber 763 VS 763E"…
The picture says 5 jewels, but never is ther mention of more than one jewel.…
Why I order bracelets with push-pins!
How did it do on the timegrapher??
Hello, I wanted to know if I could change the case back of my Seiko…
My Sacred crafts watch
Ferragamo 1898 Sport (ref: SFYK00520) contains the Swiss Made Ronda 715. It’s a fantastic quartz…