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 established Yet another difficulty. If you thrust the pendulum, you interfere with its pure frequency – a bit, or perhaps quite a bit, according to when and how tricky you press it. Ideally, the pendulum might be supplied impulse instantaneously, at its equilibrium... https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/