Rolex Sea-Dweller Black 136660

The Rolex Sea-Dweller Deepsea 136660 is the most extreme expression of Rolex’s dive watch engineering, built for saturation divers and deep-sea exploration rather than everyday desk duty. Introduced in 2022 as the third-generation Deepsea, it features a 44mm Oystersteel case, a unidirectional Cerachrom bezel, and Rolex’s patented Ringlock system—allowing for an astonishing depth rating of 3,900 meters (12,800 ft). Powered by the in-house caliber 3235, it delivers chronometer-certified precision along with modern Rolex reliability and durability.

Reference: 136660

Dated: 2024

Bracelet: Stainless Steel Oyster Bracelet

Case : 44mm x 17.7mm thickness - Stainless Steel/Titanium

Lug Width: 21mm

Movement: Rolex 3235 - Automatic

Functions: Hours, Minutes, Seconds, Date

Box and Papers: Inner/outer boxes, and warranty card

Crystal: Sapphire

Bracelet size: 7.5”

Case has light wear with nothing notable. Bracelet has minimal light wear. Dial, hands, and crystal have no wear.

Rolex was founded in 1905 by Hans Wilsdorf and Alfred Davis in London, before moving to Geneva in 1919 to be closer to the heart of Swiss watchmaking. From the start, Wilsdorf envisioned a wristwatch that was not only elegant, but also precise and reliable—an ambitious goal at a time when pocket watches dominated. Rolex went on to pioneer key innovations in horology, including the first officially certified chronometer wristwatch, the Oyster case (the world’s first waterproof wristwatch), and the Perpetual rotor—the self-winding mechanism that became the standard for modern automatic watches. These technical breakthroughs laid the foundation for Rolex’s enduring reputation for rugged luxury and mechanical excellence.

Today, Rolex is arguably the most recognized name in watches, with models like the Submariner, Daytona, Datejust, and GMT-Master becoming cultural icons in their own right. Whether tied to deep-sea exploration, motorsport, aviation, or mountain summits, each model reflects the brand’s commitment to performance and precision under extreme conditions. The brand’s status is bolstered by its unmatched consistency in design, rigorous in-house testing, and long-standing associations with exploration, sport, and achievement. For collectors and enthusiasts, Rolex represents more than a timepiece—it’s a benchmark of mechanical reliability, timeless design, and global prestige.