Souveraine Collection by F.P.Journe

More catalogs by F.P.Journe | Souveraine Collection | 27 pages | 2007-12-23


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Souveraine Collection is listed under these categories

Apparel & Fashion > Watches

Featured catalog pages of Souveraine Collection

chronomètre souverain calibre fpjourne 1304 30mm in diameter and 3.70mm thick straight-line lever escapement dedicated 4-arm balance with inertial adjustment escapement frequency of 21,600 vph 143 components excluding the exterior 21 jewels ­ plates and bridges in 18-carat pink gold 55-hour power reserve although the first model within the range the chronomètre souverain is nonetheless the third creation by françois-paul journe for the souveraine collection a collection composed of parts in which the timekeeping demands vie with the sophistication of their design wristwatches that correspond to an art of living and to a certain perception of time and its measurement a collection consisting of models all offered in 40 mm cases in platinum or red gold except for the sonnerie souveraine model the manual winding of these beating mechanical hearts reflects the personal dimension that one projects onto the hours one is preparing to experience it also means possessing an object

at the heart of the movement i will try to explain the historical reasons that led me to build such or such a watch as far as the resonance phenomenon is concerned the intuition that energy is dissipated without being lost goes back to the 18th century and the research performed by the great chemist a.l de lavoisier 1743-1794 who stated his famous theory that is behind my modest convictions nothing is lost nothing is created everything is transformed with the invention of the pendulum watchmakers noticed that their beat often interfered with their environment and it was not unusual for a pendulum clock to stop of its own accord when the pendulum entered into resonance with the driving-weight suspended from its cords a particularly brilliant watchmaker or mechanical engineer as he described himself was the first to have the feeling that one might turn this disadvantage into an asset antide janvier born in 1751 in st claude france his idea was to build two complete movements with

chronomètre à résonance two centuries later françois-paul journe took up the challenge with a first creation in the form of a pocket-watch which did not yet perform according to his expectations it would take fifteen more years of work for the watchmaker to gain the maturity and the experience to enable him to present an exclusive world première the first resonance wristwatch he devised developed and built this movement to meet the demands of actual wear on the wrist and thereby provide chronometric performance driven to extremes each of the two balances alternately serves as exciter and resonator when the two balances are in motion they enter into sympathy due to the effect of the resonance and begin naturally beating in opposition the two balances thus rest against each other giving more inertia to their movement nonetheless this harmony is possible only if the difference in frequency between them does not exceed five seconds per day of cumulated difference in six situations

tourbillon souverain

the constant-force device from ancient times humankind has constantly attempted to measure time by dividing it into equal fractions and inventing the notion of isochronism only with the arrival of the first mechanical clocks did specialists begin to seek a means of equalising the force reaching the escapement the balance-spring did not yet exist and the so-called foliot balance had an irregular beat due to the arrival of a force varying because of the imperfections of the gearing at the time clocks were equipped with just one hand which completed a revolution once every 12 hours since their degree of imprecision did not permit the measurement of minutes after the invention of the mainspring which would enable the construction of table-clocks 15th century watchmaker jobst bürgi had the idea of adding an extra gear representing an independent system wound in short spurts by the mainspring the escapement thus ensured a more constant flow and enabled an autonomy of several months this