The 2002 Rolex Sea-Dweller 40mm (16600) is a professional dive watch built for extreme underwater performance. Featuring a robust stainless steel case and a helium escape valve, it offers water resistance up to 1,220 meters (4,000 feet). Its clear dial and luminescent markers provide exceptional legibility in low-light conditions. Powered by a reliable automatic movement, this model combines rugged durability with Rolex’s signature precision, making it a trusted choice for serious divers and collectors alike.