Rolex Sea-Dweller Deepsea 116660 Beloved director James Cameron ventured to the Mariana Trench in 2012. Strapped to the outside of this submersible was a prototype Rolex Deep Sea Challenge watch. Even when faced with the pressures experienced in the world’s deepest trench, the Deep Sea Challenge did not skip a beat. To celebrate their role in the historical event, Rolex released a unique D-Blue dial edition of their Deepsea ref. 116660 in 2014. It features a stunning blue ombre