Rolex Sea-Dweller is the sports watches engineered by Rolex for the diver who believes in furthering the depths of exploration. This 126600 divers watch comes with a 43mm oyster steel case that has a monobloc middle case, a screw-down case back and a winding crown which allows for a triple waterproofness system. The ceramic bezel rotates unidirectionally with a 60-minute graduation and features scratch-resistant cerachrom and graduations coated in platinum. The 126600 has a, scratch-resistant domed sapphire crystal. and the dial is black featuring the red Sea dweller tag which is a reference to the original Sea Dweller. This timepiece is powered by the self-winding 3235 calibre which has -2/+2 sec/day precision and comes with stop second plus date functionality as well as a power reserve of 70 hours.