Physical Vapor Deposition https://www.replicaomg.to/ replica Omega Watches is arguably the most common method https://www.omguhren.de/produkt-Sammlungen/constellation/ replica Omega Constellation Uhren in the industry for accomplishing a black case. It's a broad term that encompasses several more specific techniques, but https://www.omguhren.de/produkt-Sammlungen/seamaster/ replica Omega Seamaster Uhren in this case, we'll focus on the most common version for watches—arc ion plating.