The Rolex Dynapulse escapement is a patented escapement system first used in the Rolex calibre 7135. After 10 years of...
Guides
A balance tack serves as a place to put your balance assembly after removal from the watch movement. Here is...
Removing the crown and stem on the ETA G10 and ETA G15 series of quartz chronograph movements is fairly straightforward,...
Anyone who has decided to venture into DIY territory with changing the battery of a Ronda quartz chronograph movement knows...
What is a trimmer condenser? A trimmer condenser is a type of regulator device that is found on some quartz...
What is an AC reset on a quartz watch? An AC (aka All Clear) reset, system reset, or circuit reset...
What is a GMT watch? GMT is a complication or function on a watch that displays the time in a...
What are the main types of GMT watches? GMT watches can be quartz or mechanical in nature, but regardless of...
RADO is a luxury watch company owned by the SWATCH Group conglomerate of watch brands. There are vintage RADO caliber...
The Bergeon 3153 springbar remover is a staple tool for watch enthusiasts of all levels – particularly those who like swapping straps.
On December 17, 2020, Sellita published R&D technical commutations / specific information sheets (No. 25 and 26) with regards to...
PTS Resources (partner with Hangzhou Watch Company), is based in Hong Kong with offices in Shenzhen and Guangzhou. Made in...
What is Lift Angle of a watch movement? The number of degrees the balance wheel turns while making contact with...
Brand Singcii Manufacturer Haoda Base Diameter 3.5″ Base Height 2.2″ Base Weight 15.6 oz / 441 g Screwdriver Weight ~12...
PreciDrive and PowerDrive are confusing! It’s hard enough to buy ETA movements, and now the quartz movements that are available...
The Cyma Triplex was a trifecta of protection for Cyma movements. Despite lots of folks thinking it was simply referring...
Power Reserve refers to the running time of a fully wound mechanical watch (manual-wind or automatic). For example, if you...
What is Nivachron? Nivachron is the name of an anti-magnetic balance spring (aka hairspring) produced by Nivarox-FAR (a Swatch Group...
Brand Manufacture AMT Parent Company Sellita Watch Co S.A. Location Switzerland Known Calibers Sellita AMT5100 M, TAG Heuer TH31-00, Airain...
This video shows a tour of the Grand Seiko Studio Shizukuishi. Presented by Masayuki Hirota, Editor-in-Chief of Chronos Magazine Japan...
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Mido All Dial
My wife's 2024 Tudor m35800-0010 Clair de Rose is fast by about 8 minutes per…
Van der Gang (20053) uses a Soprod M100
Hello, Have you got any informations about date changing? I mean is it linked to…
I own a Seiko Quartz (Case 5039) built Feb 1982 with the 6533 movement. It's…
Miyota 0S20
Benjamin James Scarfour automatic uses this movement.