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        QUANTIÈME PERPÉTUEL

        Our Price :

        د.إ88,513.00

        Please note that prices and availability may change and are not guaranteed until confirmed.

        OPTIMUM READABILITY AND SIMPLIFIED USE FOR THE F.P.JOURNE QUANTIÈME PERPÉTUEL WITH INSTANTANEOUS JUMP.

        DURING THE 18TH CENTURY THE ASTRONOMICAL WATCHES GRADUALLY GAVE WAY TO THE MANUFACTURING OF WATCHES SHOWING THE DATE AND, USUALLY, THE MOON PHASES. THESE PRIMITIVE CALENDAR WATCHES WERE ALL OF THE SIMPLE CALENDAR TYPE THAT IS TO SAY THAT AT THE END OF EACH MONTH OF LESS THAN 31 DAYS, THE DAYS HAND HAD TO BE PUT FORWARD MANUALLY. ADDING TO THE MOVEMENT THE COMPLICATED MECHANISM OF A PERPETUAL CALENDAR, IN WHICH, EVERY FOUR YEARS, THE 29TH OF FEBRUARY WOULD BE AUTOMATICALLY RECORDED, HAD LONG BEEN THE DREAM OF EVERY WATCHMAKER.

        Description

        MOVEMENT :

        Automatic Calibre FPJ 1300-3 in 18K rose gold (4N)
        Unidirectional automatic winding
        Off-centre 22K gold guilloché winding rotor
        Wind speed: 274 anti-clockwise rotations per 24 hours

        DIMENSIONS :
        • Overall dimensions : 33.00 mm
        • Casing-up diameter : 30.40 mm
        • Overall height : 6.20 mm
        • Height of winding system : 1.80 mm
        • Diameter of stem thread : S0.90mm
        BALANCE :

        Four adjustable inertia weights
        Anachron free-sprung flat balance spring
        Mobile stud holder
        Nivatronic laser soldered balance spring
        Pinned GE stud
        Three-position winding steam
        Barrel with slipping spring

        FREQUENCY :

        21’600 Alt/h, 3 Hz

        INERTIA :

        10.10 mg/cm2

        ANGLE OF LIFT :

        52°

        AMPLITUDE :

        12 h dial up : 280°
        90 h dial up : 220°

        AUTONOMY :

        160 ± 10 hours

        INDICATIONS :

        Central hours and minutes
        Indication of leap year with centered smal hand, 1,2,3, in black; L for the leap year in red
        Day and month at 12 o’clock in 2 apertures
        Large date at 6 o’clock in double aperture
        Power reserve at 9 o’clock

        DECORATION :

        Circular graining on 18K Gold baseplate
        Circular Côtes de Genève on 18K Gold bridges
        Polished screw heads with chamfered slots
        Pegs with polished rounded ends
        Steel components hand polished and chamfered

        CHARACTERISTICS :

        Perpetual calendar with instantaneous jump
        Unidirectional automatic winding
        Simultaneous correction of the date and day in one direction, rotation of the day only in the other direction in position 2 of the winding stem
        Discreet and secure corrector in the lug of the watchcase for correction of the month and leap year

         

        Brand

        FP Journe

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