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 might have established A further difficulty. If you force the pendulum, you interfere with its natural frequency – a bit, or quite possibly a whole lot, based on when And the way hard you push it. Preferably, the pendulum might be given impulse instantaneously, at its equil... https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/