Enamel all through a process that requires 80 hours. It is available in 18-karat white gold with various shades of inexperienced or in 18-karat pink gold with blue hues, each accented with diamonds. The bottom metallic of each and every is 1st sealed having a transparent enamel and afterwards layers https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/