ROLEX REF. 116520 BAMFORD DAYTONA PVD STEEL Rolex, "Bamford," Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph Daytona, Ref. 116520. Made 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. Bicolor green and white with black square indexes and luminous dots, 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.