Importantes Montres de Collection

Geneva, Nov 13, 2011

LOT 71

BOLVILLER EARLY CARRIAGE CLOCK WITH DETENT CHRONOMETER ESCAPEMENT Bolviller a Paris. Made in France, circa 1850. Fine and rare, early, center-seconds, gilt brass, 8-day going, hour and half-hour striking carriage clock with repeat and spring footed-detent chronometer escapement.

CHF 2,000 - 2,500

USD 2,200 - 2,700 / EUR 1,500 - 2,000

Sold: CHF 5,000

C. One-piece case, foliate engraved, the sides and top glazed, engraved gilt-brass back door with shuttered winding and setting holes, hinged handle. D. White enamel with radial Roman numerals, outer minute track, polychrome painted with birds and fl ower swags. Blued steel Breguet hands. M. Rectangular brass plates, going barrels for the going and striking trains, Earnshaw-type chronometer escapement with spring footed-detent on an engine-turned platform, cut bimetallic compensation balance with temperature and meantime adjustment screws, blued steel helical balance spring, index regulator, striking and repeating on a bell. Dial and movement signed. Dim. 13.8 x 8.6 x 10 cm. excluding handle.


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Grading System
Grade: AA

Very good
Case: 3

Good
Movement: 3*

Good

Overhaul recommended, at buyer's expense
Dial: 3-70-01

Good

ENAMEL AND VARIOUS TYPES OF DECORATION Hairline

HANDS Original

Notes

Bolviller is a maker associated with the fundamental period of early carriage clocks and his clocks often have unusual escapements. Another clock by Bolviller with chronometer escapement is illustrated in: Carriage Clocks, Their History and development, Allix and Bonnert, 1974, p. 72.