Rolex presents this rather intense video showing the process of making their Deepsea Challenge watch which is water resistant up to an astonishing 12,000 meters, or 39,370 feet!

52 years after a Rolex watch accompanied the Trieste on its historic descent to 10,916 metres (35,800 feet) in the Mariana trench, National Geographic explorer-in-residence James Cameron, on board the DEEPSEA CHALLENGER, prepares to go even deeper. This time again, a Rolex watch, the Deepsea Challenge, is part of the expedition. Gain a unique insight into the skill and unequalled know-how that went into making this experimental watch.

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