Rolex presents: Making of Deepsea Challenge watch

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 unequaled know-how that went into making this experimental watch.

Discover more about DEEPSEA CHALLENGE on http://deepseachallenge.com