How Many Grades of Sellita Movements Are There? Sellita offers four grades of watch movements. Just like some ETA movements,...
Guides
In Omega’s own words: “The introduction of the OMEGA Co-Axial escapement in 1999 signalled a revolution in modern mechanical watchmaking....
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...
Diashock is the name of Seiko Watch Corporations’s proprietary anti-shock system (or shock absorber) for mechanical/automatic watch movements. It was...
Paraflex is the name of Rolex’s proprietary anti-shock system for their automatic watch movements. In technical terms, it is a...
The Magic Lever was introduced by Seiko in 1959 with the purpose of improving the efficiency of the winding system....
The second hand on my Miyota powered watch isn’t smooth… why? Is your automatic timepiece ticking like a quartz watch?...
According to Orient: Check the caliber number by referring to the model number of your watch or the case code...
If you’ve been in the Caliber Corner Community for some time, you’ve seen the word lignes here and there. What...
Invention of the Ball Bearing Rotor In 1948, Eterna announced a friction-reducing ball-bearing mounted rotor system as part of the...
“Workhorse movement” is a label given to certain watch movements by enthusiasts and collectors in many watch communities. The term...
Some watch collectors think one surefire way to spot a fake Rolex movement is to wind the crown clockwise to...
According to Grand Seiko: The caliber number is a four-digit number that indicates the model of a movement (mechanical part...
James recently asked Caliber Corner: I have an ETA movement I removed from a Royce military style however all I...
There is a lot of confusion in the watch community about Seiko and Seiko-related watches and movements. Most of the...
What is a mecaquartz watch? A mechaquartz” or “meca-quartz” movement is a chronograph watch movement that uses quartz technology for...
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