Enamel through a process that usually takes 80 hrs. It comes in 18-karat white gold with a variety of shades of inexperienced or in eighteen-karat pink gold with blue hues, equally accented with diamonds. The base metal of every is initially sealed with a clear enamel then layers of opaque https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/