Enamel all through a process that takes 80 hours. It comes in eighteen-karat white gold with a variety of shades of green or in 18-karat pink gold with blue hues, both equally accented with diamonds. The bottom steel of each and every is 1st sealed that has a clear enamel https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/