How Many Grades of Sellita Movements Are There? Sellita offers four grades of watch movements. Just like some ETA movements,...
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This is a fascinating lecture by Roger W. Smith, presented at the Horological Society of New York in December 2017....
According to Grand Seiko: The caliber number is a four-digit number that indicates the model of a movement (mechanical part...
This is the original lecture given by George Daniels at the American Watchmakers-Clockmakers Institute (AWCI) in June of 1990. This...
The Cyma Triplex was a trifecta of protection for Cyma movements. Despite lots of folks thinking it was simply referring...
The Incabloc “lyre” shape or “double cone” style shock absorber we know today, is an anti-shock device that was first...
If you’ve been in the Caliber Corner Community for some time, you’ve seen the word lignes here and there. What...
What are “jewels” in a watch? Jewels in a watch are tiny translucent pink or purple stones, also called rubies....
The Bergeon 3153 springbar remover is a staple tool for watch enthusiasts of all levels – particularly those who like swapping straps.
In this short film presented by the Time Museum in Rockford Illinois (closed in the 90s), businessman and watch enthusiast...
Brand Singcii Manufacturer Haoda Base Diameter 3.5″ Base Height 2.2″ Base Weight 15.6 oz / 441 g Screwdriver Weight ~12...
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...
There is a lot of confusion in the watch community about Seiko and Seiko-related watches and movements. Most of the...
What is a screw balance wheel? Have you ever seen a balance that looks like a tiny helm on a...
RADO is a luxury watch company owned by the SWATCH Group conglomerate of watch brands. There are vintage RADO caliber...
One of the common issues with the inexpensive Ronda quartz movements is that the coil is exposed without a cover,...
Chronograph pushers are typically spring loaded with a coil between the button and the case. But what keeps it in...
What is a GMT watch? GMT is a complication or function on a watch that displays the time in a...
This is the original lecture given by Dr. Matthew Clark on the topic of Hairspring Dynamics for American Watchmakers-Clockmakers Institute...
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...
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It's also used on the 2024 version of the 800 series watch from Movado.
I am pretty sure that the image movie on YouTube, showing the city of Lucerne…
Reading this puts removed my concerns about buying a microbrand watch. I really like the…
Hello All, catching up to the comments. I have a Bulova 97B110 with a bad…
Typos help with SEO and to make sure something shows up when users search the…
Myslím že je to tak. Zepředu i zezadu je to podobné, i když zezadu trochu…
Kenissi not Kenessi!