The Art of American Horology Part ll,...

Roosevelt Hotel, Madison Avenue @ 45th Street, Dec 04, 2002

LOT 121

F. P. Journe "Invenit et Fecit", "Chronomètre Reso-nance", No. 065/99. Pro-duced 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 indi-cation and a platinum F.P. Journe buckle. Accompanied by a box and certificate.

C. three-body, solid, 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 staight 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.Diam. 38 mm.