NOT KNOWN DETAILS ABOUT VACHERON CONSTANTIN 時計

- 机芯保养：完全拆卸、检测所有部件、更换磨损部件、清洁、组装、润滑、校准、调校表盘与指针、完整测试程序；Confident, Vacheron swapped the initial caliber 1120 (dependant on the vaunted Jaeger-LeCoultre caliber 920, also utilized by Patek and Audemars Piguet) for its in-property caliber 2455, and hold