Collector's Pocket Watches, Wristwatc...

New York, Grand Havana Room, May 21, 2003

LOT 124

F. P. Journe "Invenit et Fecit", "Chronomètre à Resonance", No.079/01R. Produced circa 2000.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, offset auxiliary seconds on brushed 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 sraight line lever escapements, twin beryllium 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 synchronization. The crown at 4 will synchronize the seconds hands.Dial and case signed.Diam. 38 mm.