Antiquorum Auctioneers since 1974

Geneva, Nov 08, 2026

LOT 405

UNSIGNED, SWITZERLAND, PERPETUAL CALENDAR FIVE MINUTE REPEATER FITTED WITH A MICROMETER REGULATOR, 18K YELLOW GOLD

CHF 10,000 - 20,000

HKD 96,000 - 192,000 / USD 12,200 - 24,300 / EUR 10,800 - 21,600 / JPY 1,920,000 - 3,840,000

Sold: CHF 11,970

A very fine and unusual 18k yellow gold, manual wind open-face, keyless pocket watch with five-minute repeater, perpetual calendar with leap-year indication, and moon phases. Hinged gold cuvette with an additional glazed, gold-rimmed aperture revealing the finely finished movement. White enamel dial with radial Roman numerals, outer minute track, subsidiary dials for the date, day of the week and four-year cycle, and an aperture for the moon phases with lunar calendar. Gold spade hands.


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Grading System
Grade: AAA

Excellent

Case: 3-8

Good

Slightly scratched

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 3-8-01

Good

Slightly scratched

HANDS Original

Brand Unsigned, Switzerland

Year Circa 1890

Case No. 107796

Caliber 43 mm., 36 jewels, rhodium plated, "fausses côtes" decoration, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring, swan-neck micrometer regulator. Repeating on gongs via a slide in the band.

Diameter 53 mm.

Weight 136 gr.