A patent and its realization in shape of the GPF 2/56

by on Jun.23, 2016, under Allgemein

IMG_3394_600x600One of the unique technical features of the GPF 2/56 compared to other watches from Guido Panerai & Figlio is the rubber sealing ring of the winding crown.

The famous patent 545668 from November 1955 can be seen right next to its realization on page 1148-1149 in chapter IX.II, showing the side of a GPF 2/56 “Luminor Panerai” with removed crown-protecting device and crown with its rubber sealing ring, making this area of the watch watertight when the lever is closed by axial pressure to the case.

Vintage Panerai watches with the legendary crown-protecting device are featured in the second volume of our book “The References” 1950’s-1960’s in chapters VIII (Ref. 6152/1 with Rolex movements), IX (GPF 2/56) and X.IV (Modified Reference 6152/1 with Angelus movements).

We would like to express our sincere words of thanks to Officine Panerai for making the famous patent 545668 available for the effective comparing view on the double page in our book, shown above. [Ralf Ehlers & Volker Wiegmann]

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