ROLEX REF. 16528 COSMOGRAPH DAYTONA YELLOW GOLD
Rolex, Oyster Perpetual, Superlative Chronometer, Officially Certified,
Cosmograph, Daytona," case No. S498979 Ref. 16528. Made in 1993.
Fine, self-winding, water-resistant, 18K yellow gold wristwatch, with
round button chronograph, registers, bezel with tachometer graduated
to 400 UPH and an 18K yellow gold Rolex Oysterlock bracelet.
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.
Champagne with applied luminous yellow gold baton indexes,
outer minute and 1/5th seconds track, subsidiary guilloche black ring
dials for the seconds, the 12-hour and 30-minute registers. Luminous
yellow gold baton hands.
Cal. 4030, rhodium-plated, 31 jewels, straight-line lever escapement,
monometallic balance adjusted to 6 positions, shock absorber,
self compensating free-sprung Breguet balance spring, Microstella
regulating screws.