61,360 CHF
“Slow-Beat Frictional Rest Escapement” Marcinhes a Paris. Made circa 1770. Extremely fine and important, 18K gold, “two time-zone”, double-dialed pocket watch with mock pendulum and slow-beat frictional rest escapement with pirouette. Two-body, “Louis XV”, engraved bezels, both sides glazed. Mean time dial: White enamel with radial Roman numerals, outer minute track and Arabic five minute numerals, winding aperture at 12, secured by a screw. Gold “beetle and poker” hands. Reverse dial: small, eccentric, white enamel with radial Roman numerals, outer minute track and Arabic five minute numerals, border of finely chased vari-colored gold leaf-swags above four pillars and a vase of flowers, engraved gold, mirror-polished and blued steel background, aperture for the mock pendulum below. 37 mm., gilt brass, full plate, conical pillars, going barrel, frictional rest escapement, the escape-wheel with “C” shaped teeth, steel balance staff mounted with the counterpoised mock pendulum arm, inverted three-arm balance wheel mounted between the dial and frontplate with toothed rim geared to the three-arm brass pirouette wheel, blued steel flat balance spring, index regulator lever in the dial-plate. Dial signed. Diam. 43 mm. Notes This extremely rare and ingenious watch is both mechanically fascinating and extremely decorative. Each dial can be set independently without disturbing the other dial, though both are driven by the same gearing. This is achieved due to the central pinion
Auctioneer:
Antiquorum
Date:
2006-05-14
