ROLEX REF. 116518 COSMOGRAPH DAYTONA YELLOW GOLD
Rolex, "Oyster Perpetual, Superlative Chronometer, Officially Certified,
Cosmograph Daytona," case No. P515673, Ref. 116518. Made circa 2000.
Very fine, self-winding, water-resistant, 18K yellow gold wristwatch with
round button chronograph, registers, gold bezel with tachometer graduated
to 400 units per hour and an 18K yellow gold Rolex deployant clasp.
Three-body, solid, polished and brushed, screwed-down case back, crown
and buttons, Triplock winding crown protected by the crown guard, tachometer
graduation on the bezel to 400 units per hour, sapphire crystal.
Bicolor black and champagne with applied luminous yellow gold obus
indexes, subsidiary guilloche champagne dials for the seconds, the 12-hour
and 30-minute registers, outer red 1/5th seconds track. Luminous yellow
gold baton hands.
Cal 4130, rhodium-plated, oeil-de-perdrix decoration, 44 jewels, straight-
line lever escapement, monometallic balance adjusted to 5 positions and
to temperatures, shock absorber, self-compensating free-sprung Breguet
balance spring, Microstella regulating screws, hack mechanism.