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PVD is the abbreviation for "physical vapor deposition". This is a method by which a wide variety of materials can be vaporized: steel, aluminum, gold, silver, platinum, tin, nickel, chromium, copper and oxides. More precisely ion particles from the source material of the watch are exchanged through ones with "different color".

PVD-coated materials achieve excellent coating properties:

  • High hardness, about 2 to 4 times the hardness of hardened steel
  • Smooth surface
  • The surface structure is maintained
  • Good adhesion
  • High density and homogeneity