A Viton gasket is a type of O-ring or seal used in some watches – usually deep dive watches or...
Guides
RADO is a luxury watch company owned by the SWATCH Group conglomerate of watch brands. There are vintage RADO caliber...
Although many Seiko watch owners do not service their watches, and some even think of Seikos as being bulletproof, the...
What is rebanking in watches? Rebanking or knocking (sometimes referred to as knocking the banking) occurs when the pallet fork...
What is a screw balance wheel? Have you ever seen a balance that looks like a tiny helm on a...
In this series of videos, SolimBD shows his process of how to service a Tissot Powermatic 80 (aka ETA caliber...
What is an AC reset on a quartz watch? An AC (aka All Clear) reset, system reset, or circuit reset...
Some watch collectors think one surefire way to spot a fake Rolex movement is to wind the crown clockwise to...
This is an anti-magnetic dust cover or shield that can be found on some solid back Omega Speedmaster and Seamaster...
Anyone who has decided to venture into DIY territory with changing the battery of a Ronda quartz chronograph movement knows...
PreciDrive and PowerDrive are confusing! It’s hard enough to buy ETA movements, and now the quartz movements that are available...
Chronograph pushers are typically spring loaded with a coil between the button and the case. But what keeps it in...
Power Reserve refers to the running time of a fully wound mechanical watch (manual-wind or automatic). For example, if you...
There is a lot of confusion in the watch community about Seiko and Seiko-related watches and movements. Most of the...
What is Nivachron? Nivachron is the name of an anti-magnetic balance spring (aka hairspring) produced by Nivarox-FAR (a Swatch Group...
Paraflex is the name of Rolex’s proprietary anti-shock system for their automatic watch movements. In technical terms, it is a...
Novodiac is a shock absorber made by Incabloc. It is a Swiss made, removable anti-shock system found in a wide...
ETACHRON is the name of a type of watch regulator system. Despite being used by many Seiko calibers and listed...
Invention of the Ball Bearing Rotor In 1948, Eterna announced a friction-reducing ball-bearing mounted rotor system as part of the...
There are two kinds of mechanical watches: Automatic and Manual. The difference between the two is that one winds itself...
According to Orient: Check the caliber number by referring to the model number of your watch or the case code...
If you have a watch geek in your life, you probably want to get them a watch related gift but...
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Recent Comments
Found into a Certina DS 115 (7040/7140) 45
In my opinion, eta 2892- 2894 it s better in term of keeping time than…
Used by the Orion Hellcat
There is no regulator on the escapement, regulation is achieved using a laser adjustment system…
Thank you.
The 01 number varies according to the position of the complication. For example ST3600 is…
Hi Thomas, the same manual also states: "Automatic selection of time signal stations (JJY only)"…