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Mechanical watch also can make you the ultra precision wear table to watch the game on time

by:Tianwang     2020-07-18

breguet ultra-thin automatic chain on the tourbillon
the French famous master clock - Abraham Easy, treasure ji received the first patent, the tourbillon in years since then, the existence of the tourbillon meaning is in order to offset the wrist watch in the vertical changes, gravity of torsion pendulum swing speed error caused by the impact. For any a mechanical watch, its running speed will appear with the change of the vertical or the change of the fast or slow.
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