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Related Manuals for F.P. Journe Chronometre a Resonance
Summary of Contents for F.P. Journe Chronometre a Resonance
- Page 1 User manual - Chronomètre à Résonance A unique design based on an exclusive mechanism...
- Page 2 Preface Chronomètre à Résonance An emblematic timekeeper_ With the invention of the pendulum, watchmakers noticed that their beat often interfered with the environment and it was not unusual for a pendulum clock to stop, on its own, when it entered into resonance with the driving-weight hanging from the cords. The first to get the feeling that one might turn this disadvantage into an asset was Antide Janvier, a particularly brilliant watch- maker or “mechanical engineer”...
- Page 3 What is the resonance phenomenon? Two frequencies which get into harmony_ Any animated element transmits a vibration to its environment. When another element picks up this vibration, it absorbs its energy and begins to vibrate at the same frequency. The first is called the “exciter” and the second the “resonator”. This physical phe- nomenon known as “resonance”...
- Page 4 Operating instructions Tourbillon Souverain À la conquête de la précision_ Crowns_ Winding : Keep the crown at 2 o’clock on position 1, turn clockwise until it stops. To guarantee the optimum resonance effect, it is recommended to wind the Chronomètre à Résonance before 28 hours of running, moment when the amplitudes naturally decrease.
- Page 5 Operating instructions ( 3 ) Position 1 Position 2 Winding Time setting Resetting the seconds to zero...
- Page 6 Characteristics Moving towards more precision, always! The new Chronomètre à Résonance has only one single barrel spring to provide power for the two movements. A differential placed on the first wheel, visible in the centre of the dial, transmits, independently, the energy of the barrel spring towards the two secondary gear trains.
- Page 7 Functions and indicators Power reserve indicator 18K Gold Silver Hours and minutes Hours and minutes Seconds Seconds Polished steel The hour dial in solid Silver is maintained by a polished ring, screwed* on the 18K Gold face *Patented system...
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Page 8: Specifications
Specifications Movement_ Calibre 1520 Manual winding / 31 turns of crown Movement in 18K rose Gold Dimensions_ Overall diameter: 34.60 mm Casing-up diameter: 34.20 mm Overall height: 7.97 mm Height of winding stem: 3.39 mm Diameter of stem thread: S1.20 mm Characteristics_ 2 Independent balances with 4 inertia weights 2 Flat micro-flamed Anachron balance springs... - Page 9 Préface Indications_ Double time display: Left analog - indicating 24 hours Right analog - indicating 12 hours 2 small seconds at 6h Power reserve at 12h Power Reserve_ 42 hours Efficient running time: 28 hours ± 2 Finishing_ High quality Partial circular graining on baseplate Geneva waves on bridges Screw heads polished and beveled, with chamfered slots...
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Page 10: Maintenance
Important_ Keep the original warranty card supplied with your wristwatch carefully. Your authorized F.P. JOURNE retailer will need this identity card for any after-sales servicing. For all maintenance or repair, your wristwatch must be entrusted only to an appointed F.P. JOURNE agent.