PVD stands for physical vapour deposition and offers the ultimate in robust and long-lasting colour and composition. In the PVD process the watch case or strap is placed in a sealed, pressurised chamber in which a material is vaporised, creating a saturated atmosphere. The basic substrate stainless steel becomes completely saturated by vaporised molecules, creating an even and deep deposition of colour. In contrast to traditional plating or lacquering techniques, which only coat the surface of the substrate, making it subject to abrasion and tarnishing through exposure to UV rays or moisture, a PVD coating does not discolour thanks to the complete penetration of the colour particles into the metal.
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