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Rolex · Datejust
1603 is a Rolex Datejust (Engine-Turned Bezel) reference, produced from 1959 to 1977 — an unusually long run of 18 years.
The case is 36mm stainless steel.
It runs the Cal. 1565 / 1575, an automatic movement.
Catalogued dial colours: silver / white, black, blue, brown / champagne.
It is the 4th of 26 Datejust references in the catalogue by production start.
Engine-turned (machined coin-edge) bezel variant. Counterpart to 1600 (smooth) and 1601 (fluted).
The 1603 was produced from 1959 to 1977.
The Rolex 1603 runs the Cal. 1565 / 1575, 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.