Removing the crown and stem on the ETA G10 and ETA G15 series of quartz chronograph movements is fairly straightforward,...
Guides
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...
A Viton gasket is a type of O-ring or seal used in some watches – usually deep dive watches or...
This is an anti-magnetic dust cover or shield that can be found on some solid back Omega Speedmaster and Seamaster...
Brand Omega Part Name Spirate System Part Type Balance/regualator Material Si14 (silicon) Country of Manufacture Switzerland, Swiss made Known Calibers...
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Recent Comments
Sunon is basically OStar ( by Pearl Group ), they make clock and watch movements…
Mine also makes the clicking sound, while changing the day!
I received my NY0040-50E today, with the 8204A movement. You're correct about the 8 o'clock…
* Hands
Am trying ton find the mesurementsof the bands but there's noting!
Yes, it is, Robert: ST1612, as is the ST16 = ST2806, but then no guilloche…
Used in Sector SGE 650