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ROLEX Daytona Cosmograph INVERTED 6 Zenith El Primero Ref-16520 X-Series Box Papers Bj-1993

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Worldwide delivery insured


Condition Very good
With box
With papers
Year of production1993
Property ofBachmann & Scher GmbH


Case materialSteel
Case diameter40
GlasSapphire glass
ClaspFold clasp
Clasp materialSteel
Dial numbersIndex
Bracelet materialSteel
CaliberZenith COSC
Basic caliberEl Primero
Waterproof100 m


Chronograph, Tachymeter


Small Seconds, Luminescent Hands, Chronometer, Screw-Down Crown, Screw-Down Push-Buttons, Only Original Parts, Luminous indexes

Our remarks

We are proud to offer you this very good Rolex DAYTONA Cosmograph INVERTED 6 ref.16520 in stainless steel with Oyster bracelet (78390/U6) 503 B Links.

This beautiful watch comes with its original box, hang tag and warranty papers, EU-1993.


This model has got a rare dial with an inverted 6 on the lower sub-dial.


Discontinued collectors item with fine Zenith El Primero caliber built in. Only for 12 years ROLEX used this fine movement for the DAYTONA.

Very wanted and cool collectors item.

Legendary race car drivers chronograph with Tachymeter scale and each year the official winners prize for the DAYTONA race in Florida.


1 year warranty from the Bachmann & Scher GmbH.


*Please don`t ask for a discount if contacting us via Chrono24.

** We buy watches since 1991.

*** Please contact us if you want to sell your fine wrist watch or your entire collection.

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