Rolex. A Fine Stainless Steel Automatic Chronograph Wristwatch with BraceletSigned Rolex, Oyster Perpetual, Superlative Chronometer, Officially Certified, Cosmograph, Daytona, Ref. 16520, Case No. A140796, Circa 1998Cal. 4030 automatic movement, ebauche by Zenith, 31 jewels, white dial, applied luminous baton numerals, luminous hands, three subsidiary dials for 12 hour and 30 minute registers and constant seconds, tonneau-shaped water-resistant-type case, bezel calibrated for 400 units, two screw down chronograph buttons in the band, screw down crown, screw back, stainless steel Rolex Oyster bracelet and deployant clasp, case, dial, and movement signed39mm diam.