Rolex. "Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph, Daytona, "Floating Cosmograph", case No. R985554 , Ref. 16523. Made in 1989. Fine, self-winding, water-resistant, stainless steel and 18K yellow gold wristwatch with round button chronograph, registers, tachometer, and a stainless steel and 18K yellow gold Oysterlock Ref. 78363 bracelet. Accompanied by the original Guarantee and hang tag. Dial, case and movement signed, in very good condition. NOTE: The present watch is fitted with the rare floating Cosmograph signature. DIAM: 39 mm THICKNESS: 13 mm Startprice : 14000