This tourbillon, the fastest on the planet, completes a single rotation in just 5 seconds and is also driven by almost nothing less than four barrels. It functions an distinctive escapement mechanism that is completely reversed from a conventional one particular. デザインの幅が広いという事は時計を選ぶ際に選択肢が非常に多くあり、自分だけの腕時計を選ぶ事ができるのもフランク・ミュラーの... https://zanei185tyd8.newsbloger.com/profile