F. P. JOURNE PLATINUM RÉSONANCE
F. P. Journe, "Invenit et Fecit," "Chronometer à Resonance," No. 146-05RN. Made circa 2004.
Very fine and rare, two time zone, platinum Chronometer wristwatch with 18K gold resonance controlled twin
independent movements, 40-hour power reserve indication and a platinum F. P. Journe buckle. Accompanied by
an F. P. Journe fitted box.
Three-body, solid, polished, curved bezel, concave lugs, transparent case back with 6 screws, top and side crowns
engine-turned in "cordes de Marseille" pattern, sapphire crystals.
Matte champagne gold dial mask, twin guilloché matte silver meantime dials with concentric radial Arabic numerals
and minute rings, off-set subsidiary guilloché seconds dials, power-reserve indication at 12. Blued steel Journe hands.
Cal. F. P. Journe, 13```, 18K pink gold, fausses cotes decoration, twin independent complete trains set on a single
plate, 37 jewels, twin straight-line lever escapements, twin beryllium 4-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 both balances, in
order to find the most efficient position for resonance synchronization. The crown at 4 synchronizes the second hands.