Important Watches, Wristwatches and C...
Geneva, Hotel Des Bergues, Oct 15, 1994
LOT 18
Julien Le Roy à Paris, Swiss, circa 1800. Extremely rare centre seconds watch with an early form of rack-lever escapement with pirouette.
CHF 6,000 - 8,000
Sold: CHF 8,050
C. Contemporary, gilt brass, polished with reeded band. D. Eccentric white enamel with Arabic numerals, outer Arabic seconds ring. M. Hinged gilt brass full plate, fusee with chain, rare early continental form of rack lever escapement with pirouette, the spiral spring mounted on the pirouette wheel. Signature on the back plate. In good condition. ,t , Diam. 58 mm.
Notes
This arrangement enables the escapement to beat the seconds. This watch is described
and illustrated by Y. Droz and J. Flores in the A.F.A.H.A. bulletin No. 13, Spring 1983.
It is also described and illustrated
in Uhren Journal für
Sammler Klassischer
Zeitmesser 2/94, page 37.