Nicknamed the"Rolex Deepsea James Cameron", the Rolex Deepsea D-Blue Dial (Reference 126660-0002) is a ode to James Cameron's historical solo dip in 2012 -- the Rolex Deepsea Challenge -- which required him to more than 11km deep into the bottom of the Mariana Trench.
Rolex Deepsea Sea-Dweller Utilizes the Calibre 3235.
This movement is a version of this Calibre 3135. One of its improvements are immunity to precision, precision, and influences. Aside from that, Rolex managed to improve its power reserve from the 48 to 70 hours. This is on account of the ball-bearing oscillator that is new.
In addition, a wall that makes more room is used by the movement. This modification creates the opinion more efficient by 15%. It also generates a quieter ticking sound when it has to do with the hands.