Important Collector's Wristwatches & ...

Grand Havana Room, Sep 22, 2004

LOT 34

F.P. Journe, "Invenit et Fecit", "Chronomètre à Résonance", No. 259/02R. Produced in 2002, sold on October 11, 2002. Very fine and rare, 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. Accompanied by a wooden fitted box and a certificate.

C. Three-body, solid, polished, transparent case back with screws, top and side crowns engine-turned with a knurled pattern, sapphire crystals. D. Twin "guilloché" silver with concentric radial Arabic numerals and minute rings, off-set subsidiary seconds screwed onto a matte 18K yellow gold dial plate, up-and-down indication at 12. 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 beryllium four-arm balances with 4 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 2 balances in order to find the most efficient position for resonance synchronization. The crown at 4 will synchronize the seconds hands.Dial and case signed.Diam. 38 mm.