Is it possible to refurbish a DLC coating? 28 July 2023 12:54 Updated No, a DLC coating cannot be refurbished, either by polishing or re-coating. The damaged parts would have to be replaced. Related articles Which version of the Sellita SW 200-1 calibre do you use: standard, elaboré or top? Is my PVD-coated watch scratch-resistant? What materials or usage could damage my watch? Can I clean my watch in an ultrasonic device, which is intended for cleaning glasses and jewelry? How much does a service cost?