300,500 CHF
Breguet No. 22/3175, montre perpetuelle, begun circa 1790, interrupted during the Revolution, completed and first sold to Mr. Desbarolles on 11 Prairial An 12 (31 May 1804), for 4464 Francs. Very fine and extremely rare 20K gold early dumb quarter repeating self winding watch with power reserve indication, construite sur le principe des Garde- Temps. Silver engine-turned by Tavernier with Roman numerals on a polished chapter ring, sunk subsidiary seconds and 60 hour up-and-down scale. Blued steel Breguet hands. 2F", gilt brass full plate with cylindrical pillars, the back plate relieved for the escapement, two going barrels wound by means of a self-winding oscillating ogival platinum weight, pivoted on the edge of the back plate and locked automatically by a rising pawl when spring are fully wound, or at-will by means of a small lever on border of the back plate, the banking springs attached to the interior of the case. Five wheel train with an intermediate wheel to enable a 60 hour going period. Straight line lever escapement without draw, the fork with vertical pins. Bimetallic three-arm compensation balance, the two segments of the rim with the timing weights threaded onto the ends, in the manner of Arnold and conventional poising screws, pare-chute suspension on both pivots. Blued steel helical balance spring with regulator adjusted by a rack and micrometer through the edge of the gilt brass dial plate. Dumb quarter repeating on the edge of the case by a single hamme Read more…
Auctioneer:
Antiquorum
Date:
1997-10-18
