F. P. JOURNE PLATINUM RÉSONANCE
F. P. Journe, "Invenit et Fecit," "Chronomètre à Résonance," No. 212-02R. Made in the 2000s.
Very fine and rare, two time zone, platinum Chronometer wristwatch with resonance
controlled twin independent movements, 40-hour power reserve indication and a
platinum F. P. Journe buckle.
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
Gold dial mask engraved with a trellis pattern, 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''', rhodium plated, 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.