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Rolex · Submariner
Known in the trade as the Bluesy.
LB is lunette bleue. The nickname attaches to the combination rather than the bezel alone: steel and yellow gold together, which Rolex calls Rolesor, with a blue dial and blue ceramic bezel. It is the two-tone Submariner, and the trade name has followed that configuration across generations.
The 126613LB has been in production since 2020.
The Rolex 126613LB runs the Cal. 3235, 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.