ROLEX Rolex, Oyster Perpetual, Cosmograph Daytona, Ref. 16520, movement no. 148090, case no. U284591, sold in 1998 A superb and collectible, highly attractive, full-set, automatic, water-resistant, stainless steel, certified chronometer, tonneau-shaped chronograph wristwatch with two-tone dial and patinated ivory 30-minute and 12-hour registers, and constant second, tachymeter scale, steel Oyster bracelet Ref. 78390 with secured deployant clasp. Fitted with a caliber 4030, mechanical, rhodium-plated, 31 jewels, certified chronometer, self-winding, shock-absorbers, self-compensating Breguet balance spring, monometallic balance with Microstella regulating screws, screwed case back and chronograph pushers, screwed crown, sapphire crystal, inclined steel bezel engraved with a tachymeter scale, bracelet Ref. 78390, endlinks no. 503B. Dial, case and movement signed. Diam. 40 mm. Thickness 12.50 mm. Approx. overall length 180 mm. Accompanied by a fitted green presentation box with outer packaging, original Rolex guarantee, green sale tag, red chronometer seal, 1997-1998 year card, 1998-1999 year card, translation chronometer booklet, Rolex Cosmograph Daytona user manual/booklet dated 1998, Rolex Oyster booklet dated 1998.