Enamel for the duration of a course of action that usually takes eighty hours. It comes in eighteen-karat white gold with various shades of green or in 18-karat pink gold with blue hues, equally accented with diamonds. The bottom metal of every is first sealed which has a transparent enamel https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/