Rolex Sea-Dweller 40 mm 116600-1 Steel Black Rolex Sea-Dweller 40 mm 116600-1 Steel Black

The Rolex Sea-Dweller 4000 reference 116600 is one of the most historically significant dive watches Rolex has produced in the modern era. Introduced as a direct evolution of the long-running Sea-Dweller line, the 116600 brought a black ceramic Cerachrom bezel to the Sea-Dweller for the first time, bridging the gap between the tool-watch heritage of the original 1967 Sea-Dweller and the contemporary materials mastery that defines Rolex today. This pre-owned example, available for sale at Bizak & Co., is a genuine piece of that transitional chapter in Rolex history.

At 40 mm in diameter, the 116600 wears with the ideal balance of legibility and wrist presence that serious divers and collectors have always associated with the Sea-Dweller name. The stainless steel Oyster case is robust and precisely finished, pairing brushed surfaces on the lugs and case sides with the characteristic Rolex fit and refinement. The screw-down winding crown — a hallmark of the Oyster system — ensures the hermetic seal that makes this watch a genuine professional instrument.

The black dial is classic Sea-Dweller: clean, purposeful, and immediately legible. Luminous hour markers and hands provide outstanding low-light readability, essential for a watch rated to serious depths. The black ceramic bezel insert carries the familiar 60-minute graduated scale, scratch-resistant and color-stable in a way that aluminum bezels could never match, giving the 116600 a look that remains crisp and sharp no matter how hard the watch is worn.

Rolex's automatic movement inside the 116600 is engineered to the brand's exacting tolerances, offering the reliability and precision that Rolex wearers expect from a certified chronometer-grade caliber. The stainless steel Oyster bracelet — with its three-link design and Oysterlock safety clasp — is one of the most comfortable and durable sport bracelets in watchmaking, wearing equally well in the water and at the office. This reference was also the last 40 mm Sea-Dweller before Rolex expanded the case size, which makes it especially prized by collectors who prefer the original proportions.

Bizak & Co. is pleased to offer this pre-owned Rolex Sea-Dweller 4000 ref. 116600 as a certified authentic example. Whether you are a seasoned Rolex collector seeking a transitional reference, a diver who wants a proven professional tool watch, or a buyer looking to invest in a highly regarded discontinued reference, the 116600 checks every box. Browse our full selection or contact our team directly to ask questions, request additional photos, or purchase this Rolex Sea-Dweller 116600 online today.