The Rolex Sea-Dweller ref: 116600-0003 features a 40mm stainless steel case with a black dial. It is powered by the automatic winding Rolex caliber 3135 movement, ensuring precise timekeeping. This model, introduced in 2014, is certified as a chronometer, reflecting its accuracy and reliability. The watch is designed for professional divers, offering a robust build and water resistance suitable for underwater exploration.