Important Collectors’ Wristwatches, P...

New York, Dec 07, 2005

LOT 311

?Seconde Morte? F. P. Journe, "Invenit et Fecit?, "Tourbillon Souverain à Remontoir d'Egalité avec Seconde Morte?, No. 143-05 TN. Produced in 2005. Very fine and rare, platinum gentleman's chronometer wristwatch with visible oneminute tourbillon regulator, constant force ?remontoir? with dead-seconds, powerreserve indicator, 18K pink gold movement and a platinum F. 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 knurled pattern, sapphire crystals. D. Brushed 18K white gold dial plate, at 3 "guilloché" matte silver ring dial with painted Arabic numerals for the hours and minutes, subsidiary seconds ring dial at 6, aperture at 9 for the visible tourbillon regulator under a polished steel bridge, up-and-down indication at 12. Blued steel "Journe" hands. M. Cal. 1403, made from 18K pink gold, "fausses côtes" decoration, 26 jewels, lateral lever escapement with one-minute tourbillon regulator with "A"-shaped tourbillon frame and polished steel bridge, "Gyromax" 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 main-spring. It feeds a steady flow of power to the balance for a more constant rate and at the same time controls the progression of the dead-seconds hand. Dial, case and movement signed. Diam. 40 mm. Thickness: 10 mm.