The Sandberg Watch Collection

Hotel Richemond, Geneva, Mar 31, 2001

LOT 36

The BeeUnsigned, Geneva, No. 1711, circa 1800.Fine and interesting 18 ct. gold and enamel and pearl-set star-shaped pump-winding form watch.

CHF 10,000 - 14,000

USD 6,000 - 8,500

Sold: CHF 14,950

C. Three-body, nine-pointed star band, each point set with a champlevé enamel yellow star on the front and a split pearl on the back, band decorated with zigzag pattern in white and black enamel, bezels set with half pearls, spring-loaded back decorated with an enamelled bee with red wings and yellow paillon-set body over a background of translucent imperial blue enamel over engine-turning. D. White enamel, Breguet numerals, outer minute divisions. Blued-steel Breguet hands. M. 31.5 mm o, gilt bass full plate, cylindrical pillars, fusee and chain, verge escapement, plain brass three-arm balance with flat balance spring, atypical two-footed skeletonised cock, rack and pinion regulator, pump-winding by depressing the pendant, activating a pivoted lever with a click that winds the mainspring ratchet wheel.Diam. 46 mm. Published in the Sandberg book, page 392-393.

Click to full view

Grading System
Grade: AAA


Case: 3 - 8 - 18
Movement: 3 - 5 - 6*
Dial: 3 - 03


The keyless pump-winding mechanism was invented by J. A. Lepine (1720-1814).