8,260 CHF
“Large 26-Tooth Inverted Cylinder Escapement” Arnould a Nancy, No. 1737, case No. 866. Made circa 1750. Fine and extremely rare, quarter repeating, vari-colored gold pocket watch with unusual large cylinder escapement mounted on the backplate. Two-body, “Louis XV”, the bezel chased with scrolls and flowers, the back cover decorated with a vari-colored gold trophy of scientific instruments against a sunray background and within a scroll border. White enamel with Arabic numerals, gold dot minute markers and Arabic quarter-hour numerals. Gilt brass pierced hand. 32 mm., gilt brass, full-plate, ring turned pillars, fusee with chain, inverted cylinder escapement, the large 26-tooth brass escape wheel with six spokes and mounted on the backplate beneath a foliate engraved gilt brass cock, three-arm steel balance wheel and steel cylinder mounted within the two-tier balance cock pierced and engraved with foliate scrolls, polished steel endplates for the upper and lower pivots, index regulator. Movement signed. Diam. 39 mm. Notes The movement of the present watch is designed around a large inverted cylinder escapement which unusually is mounted above the backplate and secured by a cock rather than placed between the plates in the usual manner. The balance and cylinder can be removed as one piece, as the cock for the lower balance pivot is underslung from the balance cock. This watch would have been a more accurate timekeeper than the typical watch with verge escapement of the pe
Auctioneer:
Antiquorum
Date:
2006-05-14
