Important Watches, Collector's Wristw...

Hotel Richemond, Geneva, Oct 13, 2001

LOT 611

Ulises Bühler, Valparaiso - Santiago, Swiss made, circa 1880.Fine and unusual 18K gold, center-seconds, keyless, astronomical moon phase pocket chronometer with perpetual calendar, special caliber and special balance-spring.

CHF 12,000 - 16,000

USD 7,300 - 9,700

Sold: CHF 13,800

C. Four-body, massive, "bassine", engine-turned. Hinged gold cuvette. D. White enamel with Roman numerals, red outer Arabic minutes and seconds ring, sunk subsidiary dials for days of the week, dates and months with inner indication of the leap-year cycle, moon phase aperture with its age on the border. Blued steel "fleur de lis" hands. M. 42,4 mm, 18''', gilt brass, gold train, 19 jewels, straight line calibrated lever escapement, mounted on a separate plate fixed to the pillar plate by three srews, cut bimetallic compensation balance with gold screws, blued steel helical balance-spring with both terminal curves.Signed on the movement and the case.Diam. 54,5 mm.


LOADING IMAGES
Click to full view
Image
Grading System
Grade: AAA

Excellent
Case: 3 - 14
Movement: 3*

Good

Overhaul recommended, at buyer's expense
Dial: 3 - 13 - 01

Notes

The watch employs an unusual ebauche not only with a rarely-found bridge layout but also with an off-center regulator with its own scale bridge.This watch is published in the Ruscitti book, as no. 63.