Rated to 3,900 meters, the Rolex Deepsea ref. 126660 relies on the brands patented Ringlock System to withstand crushing ocean pressure. Built for the abyss, it features a nitrogen-alloyed steel compression ring inside the case, designed to take the brunt of the load underwater. The surrounding Oystersteel case, sapphire crystal, and solid caseback in grade 5 titanium reinforce the assembly.Visibility underwater remains uncompromised thanks to the large Chromalight hour markers that emit a bright, long-lasting blue glow. This reference uses the self-winding Caliber 3235, a chronometer-certified movement with a 70-hour power reserve.Papers and the manufacturer's box accompany this pre-owned Rolex Sea-Dweller Deepsea Black Dial Steel Watch 126660.
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