PVD Vacuum Coating Machine for Watch Cases & Watch Components | Decorative & Wear-Resistant Finishing Description Designed for watch cases, watch bezels, buckles and other precision watch components, this PVD vacuum coating machine provides high-quality decorative and wear-resistant surface finishes. Multi Arc Ion Plating and other PVD technologies can be used to achieve gold, black, rose gold, titanium and other customized colors, while improving surface hardness, durability