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The Rolex Sea-Dweller Ref. 126600 marks the return of one of Rolex’s most iconic professional dive watches, combining the historic DNA of the original Sea-Dweller with modern watchmaking innovations. Introduced in 2017 to celebrate the model’s 50th anniversary, this reference has quickly become highly sought after by collectors and enthusiasts alike.
The 43 mm Oystersteel case offers a powerful yet well-balanced presence on the wrist, staying true to the Sea-Dweller’s professional tool-watch identity. The black Cerachrom bezel, crafted from highly scratch-resistant ceramic, features engraved graduations filled with platinum via PVD and rotates unidirectionally for precise dive timing.
The black dial ensures outstanding legibility thanks to Chromalight hands and hour markers, emitting a long-lasting blue glow. As a tribute to the original models from the late 1960s, this reference features the iconic red “SEA-DWELLER” text. At 3 o’clock, the date window is equipped with a Cyclops lens—introduced for the first time in the Sea-Dweller line with this generation.
Inside beats the Rolex calibre 3235, a next-generation automatic movement featuring the Chronergy escapement, Parachrom hairspring and an impressive 70-hour power reserve. It is certified as a Superlative Chronometer, guaranteeing exceptional precision and reliability.
The watch is fitted with a stainless-steel Oyster bracelet featuring the Oysterlock clasp and Glidelock extension system, allowing for precise adjustment, even over a diving suit. The integrated helium escape valve enables a water resistance of up to 1,220 meters (4,000 feet), making it suitable for professional saturation diving.
This 2017 example is offered in like-new condition and comes complete, with its original Rolex box, warranty card, manuals and full documentation.
Reference: 126600
Year: 2017
Material: Oystersteel
Diameter: 43 mm
Bezel: Black Cerachrom, unidirectional
Crystal: Sapphire with Cyclops lens
Dial: Black with Chromalight and red “Sea-Dweller” text
Movement: Automatic Rolex calibre 3235
Power reserve: Approx. 70 hours
Functions: Hours, minutes, seconds, date
Water resistance: 1,220 m / 4,000 ft
Bracelet: Stainless steel Oyster
Clasp: Oysterlock with Glidelock extension
Helium escape valve: Yes
Includes: Original Rolex box, warranty card, manuals, full documentation
Condition: Like new
A true professional dive watch with iconic heritage, the Rolex Sea-Dweller 126600 is an outstanding addition to any serious sports-watch collection.
Available now. Contact us for more information and conditions.

