What is a screw balance wheel? Have you ever seen a balance that looks like a tiny helm on a...
School
Ball SpringLOCK is a patented shock protection device that acts as a cage around the hairspring, protecting it from jolts...
In this short film presented by the Time Museum in Rockford Illinois (closed in the 90s), businessman and watch enthusiast...
Like the rest of the world, you’re probably washing your hands obsessively these days, but not long after a good...
In this series of videos, SolimBD shows his process of how to service a Tissot Powermatic 80 (aka ETA caliber...
KIF is an anti-shock system made by KIF Parechoc, SA. The company was founded in 1944 and is headquartered in...
In this detailed video by perplxr, watch as a hand-wound ETA caliber 6497-1 movement gets overhauled from start to finish,...
On a mechanical movement, the ratchet wheel is located above the mainspring barrel. This wheel is attached to the barrel’s...
What does Adjusted in Six (6) Positions mean? You may have seen Adjusted in Six (6) Positions stamped on your...
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...
There are two kinds of mechanical watches: Automatic and Manual. The difference between the two is that one winds itself...
What is a Flyback Chronograph? In a traditional chronograph watch, the button sequence is top (start), top (stop), bottom (reset)....
This is a fascinating lecture by Roger W. Smith, presented at the Horological Society of New York in December 2017....
This is the original lecture given by George Daniels at the American Watchmakers-Clockmakers Institute (AWCI) in June of 1990. This...
