Description
Hand-wound mechanical, P.5000 calibre, executed entirely by Panerai, 15 ½ lignes, 4.5 mm thick, 21 jewels, Glucydur® balance, 21,600 alternations/hour. KIF Parechoc® anti-shock device. Power reserve 8 days, two barrels. 127 components.
Material
Red Gold
Red gold is an alloy composed of gold, copper and other metals, and due to its technical properties and elegant appearance, it is an ideal material for use in fine watchmaking. The red gold used by Officine Panerai is a special alloy, different from standard red gold, called 5Npt.
Panerai 5Npt has a percentage of copper giving the material an intense red hue that is particularly elegant and sophisticated. Platinum is another fundamental element of the Panerai red gold alloy, as it helps to prevent the metal from oxidising. 5Npt has another important property: it has a high mechanical resistance than standard pink and yellow gold. It is the perfect material for Panerai high-end watches.
Movement
P.5000 calibre
A power reserve of eight days and hand-wound: the P.5000 calibre combines these two characteristics which are part of the history of Panerai watches since the first models created for the commandos of the Italian Navy. With a diameter of 15½ lignes (35.1 mm) and a thickness of 4.5 mm, the P.5000 calibre has 21 jewels, it is made up of 127 component parts and its balance wheel oscillates at a frequency of 3 Hz, equivalent to 21,600 vibrations/hour. Its original, very strong structure recalls that of old movements in which the mechanism was contained between two plates concealing most of the wheels and allowing only a few details to be seen, such as the balance cock and the intermediate wheel. The P.5000 calibre has a variable inertia balance, its period of oscillation being adjusted by turning the little timing screws on the outside of the balance wheel. Using this system the balance spring is free, without the curb pins which would otherwise be used to modify its active length. The bridge supporting the balance is fixed by two screws beneath which are threaded rings which turn in both directions, the purpose of which is to adjust the endshake of the balance staff pivots. This technical solution helps the escapement to continue running perfectly in the event of shocks. The long power reserve of 192 hours, that is 8 days, is achieved by coupling the two spring barrels with toothed rims in series. The twin assembly enables longer, thinner springs to be used, resulting in a longer duration and greater uniformity in delivering energy to the movement.
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