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。 Creating An Ideal Beat: The Ideal Watch Escapement Let's now flip to your harmony and spring. In the check out, there isn't any pendulum; instead, There exists a equilibrium and harmony spring. The main element point listed here would be that the stability stands in to the pendulum... https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/