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Omega · Speedmaster
311.30.42.30.01.006 is an Omega Speedmaster Moonwatch Professional (Sapphire Sandwich) reference, produced from 1996 to 2021 — an unusually long run of 25 years.
The case is 42mm stainless steel.
It runs the Cal. 1863, a manual movement.
Catalogued dial colour: black.
It is the 12th of 20 Speedmaster references in the catalogue by production start.
Sapphire front and back, on the decorated 1863 rather than the 1861. Not a limited edition.
The 311.30.42.30.01.006 was produced from 1996 to 2021.
The Omega 311.30.42.30.01.006 runs the Cal. 1863, a manual 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 Omega? Look up its serial number in the registry.