“Workhorse movement” is a label given to certain watch movements by enthusiasts and collectors in many watch communities. The term...
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Diashock is the name of Seiko Watch Corporations’s proprietary anti-shock system (or shock absorber) for mechanical/automatic watch movements. It was...
If you have a watch geek in your life, you probably want to get them a watch related gift but...
There is a lot of confusion in the watch community about Seiko and Seiko-related watches and movements. Most of the...
According to Grand Seiko: The caliber number is a four-digit number that indicates the model of a movement (mechanical part...
Invention of the Ball Bearing Rotor In 1948, Eterna announced a friction-reducing ball-bearing mounted rotor system as part of the...
Some watch collectors think one surefire way to spot a fake Rolex movement is to wind the crown clockwise to...
How Many Grades of Sellita Movements Are There? Sellita offers four grades of watch movements. Just like some ETA movements,...
A “mecaquartz” or “meca-quartz” movement is a chronograph watch movement that uses quartz technology for the main functions of the...
Rolex’s Parachrom Bleu Hairspring is an in-house hairspring comprised of a paramagnetic alloy. The technology behind this hairspring was first...
In the watch community, COSC and chronometer are often used interchangeably, sometimes incorrectly. It’s like whiskey and bourbon: all bourbon...
Glashutte Original is one of the few brands that publishes a price list for service. At the time of this...
Paraflex is the name of Rolex’s proprietary anti-shock system for their automatic watch movements. In technical terms, it is a...
Although many Seiko watch owners do not service their watches, and some even think of Seikos as being bulletproof, the...
What is the difference between a chronometer and a chronograph? While they both share the same root word chrono, a...
Why doesn’t my double digit big date watch change from 31 to 01, is it broken or fake? It’s because...
In Omega’s own words: “The introduction of the OMEGA Co-Axial escapement in 1999 signalled a revolution in modern mechanical watchmaking....
One of the common issues with the inexpensive Ronda quartz movements is that the coil is exposed without a cover,...
What is the difference between ETA caliber 2824-2 and 2804-2? Both of these calibers are mechanical movements, but the main...
James recently asked Caliber Corner: I have an ETA movement I removed from a Royce military style however all I...
How Many Grades of ETA Movements Are There? ETA offers four grades of watch movements: Standard Elabore (Elaborated) Top Chronometer...
The Magic Lever was introduced by Seiko in 1959 with the purpose of improving the efficiency of the winding system....
