Important Collectors’ Wristwatches,Po...

New York, Mar 23, 2005

LOT 50

F. P. Journe, "Invenit et Fecit,? "Chronomètre à Résonance,? No. 214-02R. Produced in 2002. Very fine and rare, two-time zone, platinum, world's first chronometer wristwatch 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 withscrews, top and side crowns engine-turned with a knurledpattern, sapphire crystals. D. Twin "guilloché" silver withconcentric radial Arabic numerals and minute rings, off-setsubsidiary seconds screwed onto a matte, 18K pink gold dialplate, up-and-down indication at 12. Blued steel "Journe"-stylehands. M. Cal. F.P. Journe 13''', rhodium plated, "fausses côtes"decoration, twin independent complete trains set on a singleplate, 37 jewels, twin straight line lever escapements, twin beryl-liumfour-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 platformpivoting around the second wheel by means of rack and pinionto adjust the distance between the 2 balances in order to find themost efficient position for resonance synchronization. Thecrown at 4 synchronizes the seconds hands.Dial and case signed.Diam. 38 mm. Thickness: 9 mm.