Dive into the depths of the ocean with this Rolex Sea-Dweller 136660 D-Blue. This iconic timepiece seamlessly blends functionality and style, making it the perfect companion for professional divers and watch enthusiasts alike.

Crafted from 904L stainless steel, the 44mm case exudes both durability and a sporty sheen. The unidirectional rotating bezel, a signature Sea-Dweller design element, features a Cerachrom insert in a striking black color scheme. The stunning deep blue dial, with its luminous hour markers and hands, ensures optimal readability even in the darkest depths of the ocean. At the heart of the Sea-Dweller 136660 D-Blue lies the Rolex Calibre 3235, a self-winding mechanical movement renowned for its precision and reliability. Certified as a Swiss Chronometer, this movement guarantees exceptional timekeeping accuracy. With a power reserve of approximately 70 hours, this timepiece ensures uninterrupted performance throughout your underwater adventures. The Oyster bracelet, also crafted from 904L stainless steel, provides both comfort and durability. Its solid links and Glidelock extension system allow for a secure and customizable fit on your wrist. The Oysterlock safety clasp ensures a secure fit, even during the most demanding dives.

With a water resistance of up to 1,220 meters (4,000 feet), this Rolex Sea-Dweller 136660 D-Blue is more than capable of handling the rigors of deep-sea exploration. Its robust construction and exceptional craftsmanship guarantee years of reliable timekeeping, making it a worthy investment for those who conquer the depths and value precision and style.