Rolex Sea-Dweller 4000 Oystersteel

The Rolex Sea-Dweller 4000 (Reference 116600) occupies a legendary status among horological purists and serious collectors. Produced for a remarkably brief window between 2014 and 2017, the "SD4K" is celebrated as the ultimate bridge between vintage proportions and modern Rolex engineering. It stands as the final 40mm Sea-Dweller ever produced and the last version to feature the iconic clean, cyclops-free crystal.

Engineered to withstand extreme underwater exploration, the robust 40mm case is masterfully sculpted from Oystersteel and equipped with Rolex's pioneering helium escape valve. Its unidirectional rotatable bezel features a black Cerachrom ceramic insert graduated with a full 60-minute scale—a distinctive nod to its professional diving heritage. The matte black dial features Maxi luminescent hour markers that glow with a brilliant blue Chromalight hue, ensuring absolute legibility in the darkest depths. Driven by the legendary, ultra-reliable Manufacture Rolex Calibre 3135, this short-run masterpiece is an indispensable treasure for the discerning collector who values pure tool-watch lineage married with modern luxury capability.