Then you’ll want to snap up the new Rolex Oyster Perpetual Deepsea Challenge ... markers that are thicker than usual, to improve deep sea legibility. Inside is a calibre 3230 self-winding ...

With a new calibre 8L45 movement (+10 to -5 seconds per day), one-piece titanium case construction, 600 metres of water resistance, and an L-shaped gasket to prevent helium infiltration and ...