Development of High-precision Automatic Mechanical Ladies’ Watch

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Other Title
  • 婦人用高精度自動巻付き機械式時計の開発
  • フジンヨウ コウセイド ジドウ マキツキ キカイシキ ドケイ ノ カイハツ

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Description

<p>  We developed a high-precision automatic mechanical watch. We aimed at a thin watch which has high automatic winding performance. To achieve these requirements, we adopted a new design of going train in which a barrel and a third wheel don’t overlap. In addition to that we expanded a gap between a third wheel and a balance to reduce viscous resistance of a balance. Furthermore we employed a reverser wheel whose unresponsive angle is small. With those efforts, we achieved a high-precision, thin watch with high automatic winding performance.</p>

Journal

  • Micromechatronics

    Micromechatronics 63 (221), 1-9, 2019-12-15

    The Horological Institute of Japan

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