Enamel in the course of a procedure that takes 80 hours. It is available in eighteen-karat white gold with several shades of environmentally friendly or in 18-karat pink gold with blue hues, both accented with diamonds. The bottom steel of each is to start with sealed using a clear enamel https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/