Enamel all through a approach that requires 80 hrs. It is available in 18-karat white gold with several shades of eco-friendly or in 18-karat pink gold with blue hues, each accented with diamonds. The bottom steel of each and every is 1st sealed which has a clear enamel then layers https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/