ROLEX REF. 16520 DAYTONA COLOR CHANGE DIAL STEEL
Rolex, Oyster Perpetual, Superlative Chronometer, Officially Certified Cosmograph Daytona, case No. U329471,
Ref. 16520. Made in 1997.
Fine self-winding, water resistant to 100 m, stainless steel wristwatch with color change dial, round button
chronograph, registers, tachometer and a stainless steel Rolex Oysterlock bracelet Ref. 78390. Accompanied by
the original fitted box, guarantee (now void) and booklet.
Three-body, polished and brushed, screwed-down case back, buttons and crown, Triplock winding-crown
protected by the crown guard, tachometer graduation on the bezel to 400 units per hour, sapphire crystal.
Black with applied luminous white gold baton indexes, outer 1/5th seconds track, subsidiary dials for the
seconds, the 12-hour and 30-minute registers. White gold bâton hands.
Cal. 4030, rhodium-plated, 31 jewels, straight-line lever escapement, monometallic balance adjusted to
temperatures and 5 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella
regulating screws.