Today’s Rolex Sea-Dweller watches are 43mm in size and are developed in Oystersteel and Oystersteel with yellow gold. They continue to be water-resistant to 4,000 feet, i.e., 1,220 meters, as well as are furnished with a black Cerachrom insert on the unidirectional 60-minute bezel that is used to track dive, as well as decompression times. […]