One of the common issues with the inexpensive Ronda quartz movements is that the coil is exposed without a cover,...
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The Magic Lever was introduced by Seiko in 1959 with the purpose of improving the efficiency of the winding system....
Triovis is a style of watch movement regulator aka precision adjustment device. Triovis regulators offer the ability to fine-tune the...
Diashock is the name of Seiko Watch Corporations’s proprietary anti-shock system (or shock absorber) for mechanical/automatic watch movements. It was...
In the watch community, COSC and chronometer are often used interchangeably, sometimes incorrectly. It’s like whiskey and bourbon: all bourbon...
How Many Grades of ETA Movements Are There? ETA offers four grades of watch movements: Standard Elabore (Elaborated) Top Chronometer...
What is a mecaquartz watch? Mechaquartz or meca-quartz typically refers to a chronograph watch movement that uses quartz technology for...
How Many Grades of Sellita Movements Are There? Sellita offers four grades of watch movements. Just like some ETA movements,...
According to Orient: Check the caliber number by referring to the model number of your watch or the case code...
The second hand on my Miyota powered watch isn’t smooth… why? Is your automatic timepiece ticking like a quartz watch?...
In this series of videos, SolimBD shows his process of how to service a Tissot Powermatic 80 (aka ETA caliber...
Although many Seiko watch owners do not service their watches, and some even think of Seikos as being bulletproof, the...
Novodiac is a shock absorber made by Incabloc. It is a Swiss made, removable anti-shock system found in a wide...
Rolex’s Parachrom Bleu Hairspring is an in-house hairspring comprised of a paramagnetic alloy – made from metal, not silicon. The...
KIF is an anti-shock system made by Kif Parechoc, SA. The company was founded in 1944 and is headquartered in...
Like the rest of the world, you’re probably washing your hands obsessively these days, but not long after a good...
Paraflex is the name of Rolex’s proprietary anti-shock system for their automatic watch movements. In technical terms, it is a...
If you have a watch geek in your life, you probably want to get them a watch related gift but...
https://www.youtube.com/watch?v=Xnh7O22mduE In this detailed video by perplxr, watch as a hand-wound ETA caliber 6497-1 movement gets overhauled from start to...
“Workhorse movement” is a label given to certain watch movements by enthusiasts and collectors in many watch communities. The term...
Invention of the Ball Bearing Rotor In 1948, Eterna announced a friction-reducing ball-bearing mounted rotor system as part of the...
What are “jewels” in a watch? Jewels in a watch are tiny translucent pink or purple stones, also called rubies....
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VENTURA XXL AUTO (H246551) comes with the same movement and is a great and reliable…
UNDONE-POPEYE watch is having this movement (NH35A)
My wife purchased a Seiko V157-0CA0for me several years ago. My problem is it never…
Can be found in the Chase Durer CDW-0037 Air Defense
Latest Steinhart Vintage GMT 42mm is also advertised as using a SW330-2
Did you ever thought of, that it might be a code for the watch maker?
I got a Triwa SSAB with a Miyota 9015 and a marking C.U, which was…