Description: Rolex Sea-Dweller ref 126660B Pre-owned Rolex Sea-Dweller ref 126660B (2018), better known as the James Cameron or “D-Blue,” is one of the more distinctive modern Rolex dive watches. The gradient dial fades from deep blue into black, a tribute to James Cameron’s 2012 descent into the Mariana Trench, and it’s a look that stands apart from anything else in the lineup. The 44mm Oyster case is made for serious depth, rated to 3,900 meters, with Rolex’s Ringlock