Enamel for the duration of a system that usually takes eighty hrs. It comes in 18-karat white gold with numerous shades of green or in 18-karat pink gold with blue hues, both accented with diamonds. The base metal of each and every is initially sealed which has a transparent enamel https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/