The 44mm Oystersteel case is extremely resistant and retains its polished elegance even in the harshest environments. The dial features legibility. It sports monobloc middle case, screw-down caseback and winding crown with Triplock watertight system.
Running the in-house perpetual, mechanical Calibre 3235 motion on, the Rolex Deepsea Black features a precision of -2 / and a 70-hour power reserve and is COSC-certified . As with Rolex Deepsea watches, it features a water-resistance of 3,900 metres.
All of Rolex Deepsea and watches also contain the helium escape valve function. This technology allows helium to escape in the situation enough during decompression to avoid creating pressure within the watch. Hence, preventing the casual'popping' of the watch crystalclear. The opinion is completed by A Oystersteel bracelet.