When Rolex and Blancpain launched their first wristwatches for divers in the early 1950s they did, in fact, create the archetype of the modern dive watch, thanks to the development of the quintessential rotating bezel. However they did not invent the first watch used by divers.http://www.watchtime.com/blog/dive-watch-wednesday-what-did-divers-use-before-dive-watches/?utm_source=WatchTime+Daily+Update&utm_campaign=78bef9b84c-WT+Daily&utm_medium=email&utm_term=0_8338768216-78bef9b84c-14531153&mc_cid=78bef9b84c&mc_eid=1436559a32

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