Mens 44mm Brushed Stainless Steel Perpetual Self-winding automatic Swiss Made pre-owned watch, Ring Lock System allows the watch to withstand 2.98 metric tonnes of water pressure, Random Serial number. Brushed Stainless Steel dial with unidirectional rotating with 60-minute graduations black Ceramic bezel, Black dial with Luminescent hands and hour markers.  Oyster bracelet with Glidelock adjustable clasp. Triplock winding crown with three gaskets. Anti-Reflective Sapphire Crystal. First watch designed by Rolex with a double extension bracelet system, making it easy to adjust. The new style Oyster perpetual Sea-Dweller DEEPSEA is waterproof to an extreme depth of 12,800′ or 3900m Factory box and One Year Warranty.