Symbols of the long-shared history between Rolex and deep-sea explorers, the Oyster Perpetual Rolex Deepsea and Oyster Perpetual Deepsea Challenge models are ultra-resistant professional divers’ watches. They are waterproof to a depth of 3,900 metres (12,800 feet) for the Rolex Deepsea, launched in 2008, and 11,000 metres (36,090 feet) for the Deepsea Challenge, presented in 2022.