Rolex Deepsea 44 mm 116660 dlc 1 Steel/PVD/DLC Black

The Rolex Deepsea reference 116660 is one of the most formidable dive watches ever created, purpose-built to withstand the crushing pressures of the deep ocean. Introduced as the most technically advanced member of Rolex's professional Sea-Dweller family, the Deepsea is rated to extraordinary depth and houses a patented Ringlock System — a helical spring, nitrogen-alloy steel ring, and sapphire crystal working in concert to resist implosion far beyond what conventional watch construction can achieve. This pre-owned example, catalogued as reference 116660 DLC 1, adds a layer of intrigue with its aftermarket PVD and DLC coating applied over the stainless steel case and Oyster bracelet.

DLC, or diamond-like carbon coating, is a hard, low-friction finish borrowed from aerospace and defense applications. Applied over the polished and brushed stainless steel of the 116660, the coating transforms the Deepsea's already imposing silhouette into something stealthy and aggressive. The result is a matte-to-semi-matte black exterior that resists daily scratches significantly better than bare steel and gives the watch a custom, one-of-a-kind character you will not find in any Rolex boutique.

The 44mm case diameter and roughly 17.7mm thickness of the Deepsea are, by design, substantial — this is a tool watch scaled for performance, not discretion. The red and black dial on this reference 116660 DLC 1 provides vivid contrast against the blacked-out case and bezel, with the red accent cutting through the darkness with unmistakable presence. The unidirectional rotating ceramic bezel is retained from the standard model, providing its characteristic scratch resistance and crisp click action.

Powering the watch is a Rolex automatic movement, the self-winding caliber housed within the Oyster case providing the reliability and precision that professionals and collectors expect from the brand. The Oyster bracelet, also coated in PVD/DLC, integrates seamlessly with the case for a uniform blackout look, secured by Rolex's Glidelock extension system that allows fine adjustment without tools — particularly useful when the watch is worn over a dive suit.

For the collector seeking something beyond the standard catalogue, this pre-owned Rolex Deepsea 116660 DLC 1 represents a compelling intersection of Rolex horological engineering and bold custom aesthetics. At Bizak and Co., we source pre-owned Rolex pieces with exacting standards, and we invite you to contact our team to discuss this reference in detail, ask questions, or proceed to buy online. Bizak and Co. is not an authorized Rolex dealer; all trademarks belong to Rolex.