Important Modern & Vintage Timepieces

Hong Kong, Oct 26, 2013

LOT 244

F P JOURNE TOURBILLON SOUVERAIN LIMITED EDITION BOCA RATON TITANIUM F.P. Journe, "Invenit et Fecit", Tourbillon Souverain à Remontoir d'Egalité avec Seconde Morte, No. USA-BR 3/5-TT. Made in a limited edition of 5 examples celebrating the one-year anniversary of the opening of the Boca Raton boutique in Florida. Sold in February 2008. Very fine and very rare, titanium Chronometer wristwatch with visible one-minute tourbillion regulator, constant force remontoir with dead-seconds, 42-hour power-reserve indicator, 18K pink gold movement and an 18K pink gold deployant F.P. Journe buckle. Accompanied by the original fitted box and certificate.

Two-body, solid, polished, concave lugs, transparent case back with 6 screws, winding crown engine- turned with a "cordes de Marseille" pattern, sapphire crystals. Anthracite with subsidiary guilloche white 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. Gold Journe hands. 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, self-compensating 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 flow 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.