The Rolex Sea-Dweller 126600 represents the pinnacle of professional diving watches. This 43mm stainless steel timepiece features a robust Oyster case with a unidirectional rotatable bezel, essential for underwater timing. The dial showcases luminous hour markers and hands for optimal visibility in low-light conditions. Powered by the reliable Rolex Caliber 3235 automatic movement, this watch offers a 70-hour power reserve and exceptional accuracy. The Helium escape valve allows safe decompression during saturation diving, while the Parachrom hairspring ensures superior resistance to magnetic fields and temperature variations. Water-resistant to 4,000 feet (1,220 meters), the Sea-Dweller is engineered for professional and recreational diving. The scratch-resistant sapphire crystal and screw-down crown provide durability and reliability in demanding environments. This 2024 example comes complete with original box and papers, documenting authenticity and service history. A timepiece built for exploration and trusted by professionals worldwide.