Rolex Sea-Dweller Deepsea Black Dial Steel Watch 136660

The Rolex Sea-Dweller Deepsea ref. 136660 exists to meet demands beyond the scope of a standard dive watch. Meant for saturation diving, it features a helium escape valve that allows trapped gas to release safely during decompression, preserving the integrity of the watch.Its 44mm Oystersteel case and reinforced construction support extreme depth ratings, up to 12,800ft/3900m specifically. The black dial, matched with Chromalight hour markers and hands, stays highly legible under low light, ensuring clarity in critical conditions. This reference is driven by Caliber 3235, providing 70 hours of power reserve.This pre-owned Rolex Sea-Dweller Deepsea Black Dial Steel Watch 136660 is accompanied by papers and the manufacturer's box. .