Important Modern & Vintage Timepieces

Geneva, Nov 11, 2012

LOT 250

F.P. JOURNE PLATINUM TOURBILLON SOUVERAIN ? LIMITED EDITION BLACK MOTHER OF PEARL DIAL F.P. Journe, ?Invenit et Fecit?, Tourbillon Souverain à Remontoir d'Egalité avec Seconde Morte, No. 285-TN. Made in a limited edition of 15 examples with black mother of pearl dial, Sold on January 1st, 2007. Very fine and very rare, platinum chronometer wristwatch with visible one-minute tourbillion regulator, constant force remontoir with dead-seconds, 42-hour power-reserve indicator, 18K pink gold movement and a platinum F.P. Journe buckle. Accompanied by the original fitted plane-wood box, spare strap, Certificate and Instruction manual.

C. Two-body, solid, polished, concave lugs, transparent case back with 6 screws, winding crown engine-turned with a "cordes de Marseille" pattern, sapphire crystals. D. Black mother of pearl with subsidiary guilloche silver dials with painted radial Arabic numerals for the hours and minutes and offset seconds secured by a polished plate, aperture for the tourbillon regulator under a polished steel bridge at 9, power reserve indication at 12. Blued steel Journe hands. M. Cal. 1403 in 18K pink gold, fausses cotes decoration, 26 jewels, lateral lever escapement with one-minute tourbillon regulator with "A?-shaped tourbillon frame and polished steel bridge, monometallic 4-arm balance with 4 timing weights, selfcompensating free-sprung Breguet balance spring with Phillips terminal curve, constant-force remontoir with 18K gold wheel, equalizing the mainspring's varying power supply. A blade spring, controlled by a spinning vane, is armed once a second by the force of the mainspring, feeding a steady fl ow of power to the balance for a more constant rate and at the same time controlling the progression of the dead-seconds hand. Dial, case and movement signed. Diam. 40 mm. Thickness 10 mm.