For Those who glimpse back on the history of Rolex, you’d see that their reference numbers have become extended after a while. Introduced in the 1940s when snake-motivated bracelets have been trending, Bulgari capitalized on this vogue for all matters serpentine and designed snake-like watches that promptly boomed in attractiveness. https://www.watchesworld.com/a-history-of-watch-reference-numbers/