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Automatic Movement

P.4001/S

Functions

Second time zone, Minutes, Calendar aperture, Hours, Power reserve indication, Small seconds, World time

Technical details

Automatic mechanical, P.4001/S caliber, 13¾ lignes, 7.36 mm thick, 31 jewels, Glucydur® balance, 28,800 alternations/hour. KIF Parechoc® anti-shock device. Power reserve 3 days, two barrels. 341 components. Off-centered oscillating weight in tungsten.

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Characteristics

A fully skeletonized mechanical movement featuring an off-center micro-rotor, revealing its intricate inner workings. This design enables the creation of thinner movements, as the winding system is integrated into the movement rather than positioned above it. This results in an uncluttered view of the mechanism, free from an oscillating weight rotating over it. Additionally, using dense and heavy materials like platinum or tungsten further enhances the movement's efficiency. The result is a watch with openwork that reveals the movement and complexity of the calibre. The patented transparent polarized date disc shows the date at 3 o'clock without obstructing the underlying components. The movement also includes a bidirectional micro-rotor that winds two barrels in series for a three-day power reserve and a stop-second function for precise time settings.