Important Limited Edition & Modern Co...

Grand Havana Room, New York, Sep 25, 2002

LOT 420

F. P. Journe "Invenit et Fecit", "Chronomètre à Resonance", No. 023/99. Produced in a limited edition of 99 examples in 2000. Very fine and unusual, platinum, two time zone, world’s first wristwatch chronometer with resonance controlled twin independent movements, 40 hour power reserve indication and a platinum F.P. Journe buckle.

C. three-body, massive, polished, transparent case back with screws, top and side winding crowns engine-turned with a knurled pattern, sapphire crystals. D. twin "guilloché" silver with concentric radial Arabic numerals and minute rings, offset auxiliary seconds on frosted gold dial plate with power reserve at 12 o'clock. Blued steel "Journe"-style hands. M. Cal. F.P.Journe 13''', rhodium-plated, "fausses côtes" decoration, twin independent complete trains set on a single plate, 37 jewels, twin straight line lever escapements, twin berylium four-arm balances with four adjustable timing weights, shock-absorbers, self-compensating free-sprung Invar balance springs. One of the escapements is mounted on a small platform pivoting around the second wheel by means of rack and pinion to adjust the distance between the two balances in order to find the most efficient position for resonance synchronisation. Dial and case signed. With box and certificate. Diam. 38 mm.