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Rolex · Daytona
16523 is a Rolex Cosmograph Daytona (Two-Tone) reference, produced from 1988 to 2000.
The case is 40mm steel/18k yellow gold.
It runs the Cal. 4030, an automatic movement.
Catalogued dial colours: silver / white, black, brown / champagne.
It is the 7th of 27 Daytona references in the catalogue by production start.
Two-tone Zenith-era Daytona. Multiple dial variants. Was historically considered an entry-point to Daytona ownership; now appreciated as the last two-tone Zenith Daytona.
The 16523 was produced from 1988 to 2000.
The Rolex 16523 runs the Cal. 4030, an automatic movement.
Look up the watch's serial number in the Watch Safe registry to see whether a record exists or a theft flag is attached. A registry search identifies records for a specific serial; it does not authenticate the watch. Authentication is performed in person by an independent expert authenticator, and Watch Safe records and publishes the result.
Checking a specific Rolex? Look up its serial number in the registry.