Rolex generally uses Oystersteel for the cases of its steel watch and the Rolex Cosmograph Daytona 116500LN Black is a masterpiece of this chronograph function. The Oystersteel is part of the 904L family which makes the Rolex Daytona extremely resistant to scratch and corrosion. It comes with a brilliant finish that maintains its polished attractiveness even in unforgiving environments.
The Daytona features a 400mm Oystersteel and Monobloc middle case, winding crown and screw down case. The watch’s bezel comes in Black monobloc Cerachrom ceramic, which is engraved in tachymetric scale. The winding crown is screw-down and Triplock triple waterproof system. The crystal boasts of scratch resistant sapphire and its water resistance level is up to 100 meters per 330 feet. The movement features a Perpetual self-winding, and mechanical chronograph calibre 4130. Its oscillator also comes with Paramagnetic blue Parachrom hairspring and the winding is bi-directional self-winding through Perpetual rotor. The power reserve of the Rolex Cosmograph Daytona 116500LN Black is approximately 72 hours. The bracelet also spots an Oyster, flat three-piece links with material made of Oystersteel. The folding Oysterlock safety clasp with 5mm Easylink comfort extension link makes the Rolex Daytona an impressive masterpiece.