Deep Sea Legacy The Sea-Dweller is engineered for extreme underwater exploration, offering exceptional water resistance and robust performance. Originally developed for professional divers, it remains a symbol of technical mastery and enduring strength. Precision Under Pressure This 2021 model features an intense black dial and rotatable 60-minute bezel, housed in a 43mm case of Oystersteel and yellow gold. The Oyster bracelet includes both Oysterlock and Rolex Glidelock for secure adjustment. Powered by the 3235 calibre, it delivers approximately 48 hours of autonomy.