Important Collectors’ Wristwatches, P...

Geneva, Nov 16, 2008

LOT 705

Tourbillon F.P. Journe, ?Invenit et Fecit?, ?Tourbillon Souverain à Remontoir d'Egalité avec SecondeMorte?, No. 192-TN.Made circa 2005. Very fine and rare platinumchronometerwristwatchwith visible oneminute tourbillon regulator, constant force remontoir with deadseconds, 42-hour power reserve indicator and a platinumF.P. Journe buckle. Accompanied by a fitted box and certificate.

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. Subsidiary guilloche silver dials with painted Arabic numerals for the hours and minutes and offset seconds secured 18K gold 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, 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. Diam. 40 mm. Thickness 10 mm.