L\'ART DE L\'HORLOGERIE EN FRANCE DE ...
Geneva, Hotel Des Bergues, Nov 14, 1993
Robin, No. 129, circa 1795. Very rare and important watch movement with the escapement invented by Robert Robin in 1791.
D.White enamel with Roman numerals and outer Arabic minute ring (slightly restored and with hair lines). M. Gilt brass full plate with conical pillars, going-barrel passing through the back plate and secured by a gilt brass bridge engraved with a formai decoration. Original Robin detent-lever escapement, plain brass three-arm balance, flat balance spring, gilt brass small cock with single foot only, with engraved decoration and polished steel end-piece. Signed on the dial, the back plate engraved : Echappement de Robin, Invenit 1791. h1 good condition. Diam. 50 mm.