ROLEX REF. 16528 COSMOGRAPH
DAYTONA MARK II INVERTED 6, YELLOW GOLD
Rolex, Oyster Perpetual, Superlative Chronometer, Cosmograph,
Daytona," case No. L235978 Ref. 16528. Made in 1990.
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. Accompanied by the original fitted box, and Chronometer seal.
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 diamond 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
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.