YYZ, Exactly where XXX signifies the motion, YY signifies the situation or design, and Z signifies the situation content. Once again, letters can be additional towards the suffix to communicate extra specifics of the dial. Released within the 1940s when snake-inspired bracelets ended up trending, Bulgari capitalized on this vogue https://www.watchesworld.com/a-history-of-watch-reference-numbers/