ROLEX REF. 116520 PRO-HUNTER BLACK DAYTONA STEEL Rolex, Pro-Hunter No. 100, "Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph Daytona," Ref. 116520. Made in a limited edition of 100 pieces in 2008. Very fine, self-winding, water-resistant, stainless steel PVD-coated wristwatch with round button chronograph, registers, tachometer and a stainless steel PVD coated Rolex Oysterlock bracelet. Three-body, PVD-coated, screwed-down case back, push-buttons and crown, Triplock winding crown protected by the Crown Guard, tachometer graduation on the bezel to 400 units per hour, sapphire crystal. Anthracite with luminous radial Arabic numerals, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous white gold baton hands. Cal. 4130, rhodium-plated, 44 jewels, straight-line lever escapement, monometallic balance adjusted to 6 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws. Notes Dial, case and movement signed. DIAM. 40 mm. THICKNESS 12 mm. Approx. overall length 200 mm. PLEASE NOTE PRO-HUNTER is an independent watch customizer and is not affiliated in any way with ROLEX SA, ROLEX USA or ROLEX (Hong Kong) Limited. Aftermarket additions void the warranty of new and used Rolex watches. Rolex will not warranty and/or service these watches.