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Patek Philippe · Nautilus

Nautilus

Ref. 5711/1A-010

discontinuedModern Nautilus (cal 324)DocumentedEvidenceProbableLast reviewed Not yet reviewed

Component compatibility

What this reference is documented to have carried, and in what capacity. A service part is the manufacturer's own work; only a counterfeit classification is a finding against the watch.

Documented calibers

  • Patek Philippe 324 S CFactoryDefault configurationProbable

    Whole production

    Visible through the display back, which makes the movement unusually accessible evidence on this reference. Expect a 21k gold rotor and a free-sprung Gyromax balance with no regulator index.

Components

  • DialNautilus horizontally embossed dialFactoryDefault configurationProbable

    Whole production

    Check under raking light. A printed imitation of the horizontal relief is visible in seconds and rules out a whole class of counterfeit.

  • BraceletNautilus integrated tapering braceletFactoryDefault configurationProbable

    Whole production

  • CaseNautilus two-part case with lateral hingesFactoryDefault configurationProbable

    Whole production

    Among the most counterfeited watches in existence. Examine the bezel chamfer and the brushed-to-polished transitions before anything else — that is where the cost of faking it lies.