Said you knew pearl tuo

The traditional large-scale extension tuo manual cochain cassette mechanism, divides into two parts basically; first, is responsible for the gear-driven, hold and release respectively the movement the main cassette mechanism module;
The second part is in the top head addition extension tuo system, its function is penetrates the skill rotation to lead transfers tuo swinging, thus power storing in spiral spring drum.
Such structure continues to use in the wrist watch industry long time, but everybody not too will be skilled in the mechanism also to understand, will be composed the cassette mechanism by two metal parts, the inevitable thickness will be big. And big tuo often covers the cassette mechanism the majority, somewhat is unavoidably regrettable and the deficient esthetic sense.

in 1955, the universai watch Omega replica Watches design table artisan then broke free from the tradition, when designed the foundation plate has reserved the circular space, caused 360 degrees revolving to suspend tuo the system to be able to insert in completely the cassette mechanism main body, this innovation thought's most obvious advantage was makes the cassette mechanism instantaneous filament to be thin, diameter 28mm, inspired the frequency 18000 times, to beset with by 28 jewelry, only then the 4.1mm thickness cassette mechanism to be then born! The entire extension tuo cassette mechanism systematic name life is Microtor, is also the pearl which the human praises tuo, this pearl tuo states on like the introduction, is slender, the twinkle, but is precious.

The pearl tuo grows the advantage, is obviously Yi Jian. Because its extension tuo has not looked like the traditional structure cover cassette mechanism module, therefore under the transparent table, all has the sending part caper part exquisite, can broad and level let everybody sneak a peek. Perhaps however heart Shui Qing worried with the family that the pearl tuo volume is thin, force of gravity's influence naturally is been also thin hand Yu Donghuo, then the running ability can be therefore inferior? Right, the answer is the meeting. But the universai watch is not the province oil lamp, they thought that (e.g. gold) the achievement transfers tuo the material using the heavy metal material, also in transfers tuo the axle center position to join the ball bearing design, causes to transfer tuo time revolving is smoother.

The pearl tuo underwent ten year improvement, the universai watch composes a diameter 28 millimeter in 1966, to inspire the frequency 19800 times, to beset with by 25 jewelry, thickness breakthroughs only then 2.5 millimeter automatic cochain cassette mechanism UG 66, made it to reach the whole world to be thinnest the automatic wrist watch the throne! in 2006, the universai watch pushes results near two years research and development again UG 100, registers 70 year and the pearl officially as the brand tuo is born 50 year big congratulatory gift. The new century pearl tuo standard was stricter, transfers tuo has used the density higher tungsten alloy manufacture, led the new development on the arc small clamping plank's gear, provided the highest 44 hour cochain energy for the spiral spring drum; Certainly, the cassette mechanism also conformed to the Swiss astronomical observatory authentication, the accuracy has been scrupulous about every detail.

(above literal reference from network)

Indeed, the small pearl transfers tuo enables the cassette mechanism thickness to obtain most greatly possibly reduces, simultaneously also causes the cassette mechanism US to present completely in front of the common people.
Therefore, many brands have the pearl tuo cassette mechanism design.
If you also tuo are interested to the pearl, if you knew that the pearl tuo aspect the knowledge, understands some brands the pearl tuo cassette mechanism, then please together participate.

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