The Rolex Sea-Dweller ref: 116660-0001 features a stainless steel case with a diameter of 44mm. This model, produced in 2008, is powered by the automatic winding Rolex caliber 3135. The watch is designed with a black dial and is certified as a chronometer, ensuring precision in timekeeping. It is built to withstand depths of up to 4,000 feet, making it suitable for professional divers. The combination of robust materials and advanced movement technology highlights its functionality and reliability.