Winnerl No. 496, circa 1840. Rare and fine watch movement with early split seconds chronograph. | Important Wristwatches, Watches & Clocks | Geneva, Hotel Des Bergues, 17th October 1992

Important Wristwatches, Watches & Clocks

Geneva, Hotel Des Bergues, Oct 17, 1992

LOT 139

Winnerl No. 496, circa 1840. Rare and fine watch movement with early split seconds chronograph.

CHF 5,000 - 6,000

Sold: CHF 9,200

D. White enamel with Roman numerals and subsidiary split seconds. Blued steel Breguet hands. M. GiIt brass, 19?, bar caliber, going barrel, conterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring. Subsidiary split seconds chronograph operated by means of a single push piece. Signed on the dial and movement. In very good condition. Diam. 45 mm.

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Very fine example of the earliest form of the split seconds chronograph mechanism with concentric hands, invented by Winnerl, in 1838, improved in 1840. This mechanism is described in: Bulletin de la Société d'encouragement pour l'Industrie Nationale, 1843, page 195 and 196, plate 893.