Rolex Daytona 16520

ROLEX Cosmograph Daytona "The First"

Ref. 16520 No. U669691 Circa 1997 Stainless steel chronograph wristwatch. Case: round, rotating bezel graduated "400 Units", screw-down case back, signed. Dial: black, luminous hour markers and hands, three subdials for 12 hours, 30 minutes and seconds, railway minute track with 1/5 second graduations, signed. Movement: automatic cal. 4030, chronometer certified, signed. Bracelet: Oyster, ref. 78390. Clasp: folding, ref. 78390/U8. Wrist size: approx. 20 cm. Diameter: 40 mm. A stainless steel automatic chronograph wristwatch, Oyster bracelet with Rolex deployant clasp. Reference 16520, equipped with the first automatic caliber, developed from a Zenith "El Primero" base, marks the beginning of so-called "contemporary" production. The example shown, produced in 1997, features a tritium dial, making it an interesting piece since Rolex introduced the first Luminova dials on this reference in 1988. Reference 16520, equipped with the first automatic caliber developed from a Zenith “El Primero” base, marks the beginning of what is known as “contemporary” production. The model presented here, produced in 1997, features a tritium dial, making it an interesting piece since Rolex introduced the first Luminova dials on this reference in 1988.