Watch Tips - What is the "column wheel"?

Speaking of the chronograph, one of the words that is often heard is the "column wheel", which is a rotating cylindrical gear in the movement, which looks like a petal with 5 to 9 lobes. The function of the column wheel is to realize the transmission and disconnection of the timing power by the two different states of the engagement or separation with the clutch lever, thereby triggering the timing module to stop and stop the timing, and controlling the timing accuracy http://popularwatchesonline.blogspot.com/.

In the chronograph movement, the invention of the "column wheel" was earlier than the modern "leverage cam", but today it is not as widely used as the cam. Because the structure of the column wheel is more complicated, there are fewer brands with the column wheel technology, and the production itself is not much. In addition, many manufacturers do not have the ability to produce their own chronograph movements, and the purchased movements use lower cost cam technology. So we can think that the use of column wheel timing is a sign of fine watchmaking.

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Art of Tourbillon - Zenith Defy Series Zero G

Zero G's G refers to Gravity, gravity, that is to say, this watch is to challenge gravity, with a compact and miniature "gravity control" gyroscope module.

As early as the Basel 2008 exhibition, Zenith introduced the first generation of the Defy Classic Zero G with this revolutionary device, and later released the Columbus watch with this structure at the Greenwich Observatory in London in September 2010. "I am also fortunate to be invited to the scene."

The patented module counteracts the effect of gravity on the speed of the watch by keeping the governor at the same level – in the most visual sense, like a “tumbler”, because the bottom weight, let the watch wave no matter how Swing, the gyroscope can keep the balance spring and the ground level. Together with the 5 Hz El Primero high-vibration movement, the precision of the watch continues to increase.

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Master Watchmaker - Baodi TYPE-XX-XXI-XXII Series

This series is a series of watches specially developed for the French Navy air combat forces in 1950. The background shows the reliable quality assurance of this series. Surprisingly, it retains the original fly counterattack capability and can be used in conjunction with the flight search mode. The shape of this series is as strong as ever and has a firm structure, so it is popular among sports enthusiasts https://www.copywatchalike.is.

The watch is self-winding type with a power reserve of 48 hours, a movement model of 584Q/2 and a jewel bearing of 26. The outer edge of the steel case is decorated with a grain of money, which is full of metal and reveals its respected side.

The rocky grey dial is engraved with Breguet's invisible signature. The scale ring features Arabic numerals with fluorescent dots visible at night. The 3 o'clock position is the day and night display, and the 6 o'clock position is the timer and date window.

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Master Watchmaker - Breguet Heritage Series

While you are still thinking about this issue, Breguet has given the answer to its series of inheritance. The shape of the barrel-shaped case, ingeniously combining the fashion style of the late 18th century with the shape lines of the 21st century, the perfect curvature is like an antelope hanging angle, the delicate hand-engraved dial, the beauty of this model 5497 The show is vivid.

The model movement is the 187H, which uses a manual winding power reserve for up to 50 hours, enough for everyday needs. It is made of rose gold and has a transparent sapphire crystal to reflect the elegance. The engraved pattern is hand-finished, which gives the watchmaker a greater test.

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