1,213,500 CHF
Breguet, No. 1348, sold to Messieurs Meyer et Tues for 2160 francs on 3 fructidor an 13 (Aug 21, 1805).Exceptionally fine and highly important large 20K gold watch with annual Gregorian calendar and additional gold index for the Julian calendar, signs of the Zodiac, special disengaging equation of time and days of the week. In original Breguet Morocco fitted box, with original gold Breguet key on short gold chain, accompanied by two Breguet certificates. Four-body, No. 427 by master casemaker Mermillot, "Empire", polished, gilt hinged cuvette with winding and setting apertures, one for the mean time, one for equation. Notes The present watch reflects Breguet's remarkable talent in its ingenious yet simple equation of time mechanism, which interferes only minimally with the going train. It engages with the motion work only once per hour for a brief moment, lessening the resistance on the train. The motion is transmitted from the mean time motion work to the solar time via a double spring-loaded wheel joined together by a system of two pivoted racks and a pinion. One rack advances the bottom wheel, the other makes itretreat. This is done by a lever controlled by the equation cam mounted on the annular wheel.When the lever closes in, the small dart moun-ted on the advancing rack pushes the rack which advances the pinion on the intermediate motion wheel, which in turn transmits the difference to the solar motion work. When the lever retreats, the ingeniously simple mecha Read more…
Auctioneer:
Antiquorum
Date:
2002-11-16
