私はヴァシュロン・コンスタンタンより製品やサービスに関するマーケティング情報を受け取ることを希望します。 Now You may have created Yet another challenge. After you push the pendulum, you interfere with its natural frequency – slightly, or perhaps a great deal, determined by when and how difficult you thrust it. Ideally, the pendulum can be specified impulse instantaneously, at its equi... https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/