Enamel throughout a process that requires 80 several hours. It is available in eighteen-karat white gold with several shades of green or in 18-karat pink gold with blue hues, both accented with diamonds. The base metal of each is 1st sealed with a transparent enamel and then layers of opaque https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/