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Patek Philippe · Aquanaut
The Aquanaut in its most recognisable form — the 'tropical' composite strap moulded with the same rounded-octagon motif as the dial. Patek launched the Aquanaut in 1997 aimed at buyers who found the Nautilus too formal, and this is the reference that made it a line in its own right.
The 5167A has been in production since 2007.
The Patek Philippe 5167A runs the Cal. 324 S C, 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 Patek Philippe? Look up its serial number in the registry.