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Patek Philippe · Nautilus
A flyback chronograph and a dual-time zone in a Nautilus case, which is a genuinely hard combination to package. Two pushers on the left side of the case operate the second time zone independently of the chronograph.
The 5990/1A has been in production since 2014.
The Patek Philippe 5990/1A runs the Cal. CH 28-520 C FUS, 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.