Oyster: This is the title that Rolex’s founder, Hans Wilsdorf, gave towards the earliest waterproof watches from your 1920s. “Oyster” stays the vital metaphor for Rolex, and it reveals up in a variety of phrases, product names, and neologisms.Helium Escape Valve (HEV): At first co-created by Rolex and Doxa, this can be a modest, spring-loaded