Rolex, Cosmograph, Daytona, chronograph, "Zenith", ca 1999.

Case size: 40 mm
Material: 18K gold
Movement: automatic, caliber 4030
Year: circa 1999
Crystal: sapphire crystal
Bracelet: leather strap, folding clasp in 18K gold, ref. Z
Reference number: 16518
Serial number: U'548'924
Movement number: 150'721
Case number: 16500
Accompanied by: certificate, box, outer box, extra leather strap

The general impression is good. Wear due to age and use.

A simple function check indicated the movement runs; accuracy, power reserve and long-term performance have not been tested and servicing may be required at the buyer’s expense. Water resistance cannot be guaranteed and should be checked by a qualified watchmaker before any exposure to water. No right of withdrawal applies to live auction purchases.

More information

Zenith-era Daytona powered by the automatic Calibre 4030, Rolex’s reworked version of Zenith’s El Primero. Solid 18k gold case on original leather strap with matching 18k folding clasp stamped “Z”. Correct tritium dial (T SWISS MADE T), sapphire crystal and screw-down. Accompanied by its original certificate dated June 2, 1999.

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