Enamel during a system that takes eighty hrs. It is available in 18-karat white gold with several shades of eco-friendly or in 18-karat pink gold with blue hues, both accented with diamonds. The bottom metallic of every is initial sealed having a transparent enamel after which layers of opaque white https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/