Antiquorum Auctioneers since 1974

Geneva, May 09, 2026

LOT 253

ECOLE D'HORLOGERIE GENEVOISE, SWITZERLAND, “PIÈCE ÉCOLE”, MADE BY OLIVIER COMTE, WITH HAND ENGRAVED PATEK PHILIPPE CALIBER, 18K YELLOW GOLD

CHF 10,000 - 20,000

HKD 100,000 - 200,000 / USD 12,700 - 25,400 / EUR 10,900 - 21,700 / JPY 2,020,000 - 4,040,000

Sold: CHF 35,000

A very fine and very rare, 18k gold, manual wind open-face chronometer pocket watch from the Geneva watchmaking school, made by Olivier Comte, polished case. Glazed snap-on case back revealing the movement. Enamel dial with Roman numerals, outer minute track, subsidiary seconds at six o’clock. Blue steel Cathédrales hands. Movement by Patek Philippe, stamped twice with the Geneva Seal, fitted with a swan-neck micrometric regulator.


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Grading System
Grade:
Case: 2

Very good
Movement: 3

Good
Dial: 2-70-01

Very good

ENAMEL AND VARIOUS TYPES OF DECORATION Hairline

HANDS Original

Brand Ecole d'Horlogerie Genevoise, Switzerland

Model “PIÈCE ÉCOLE”

Year 29 May 1981

Movement No. 589

Caliber 19’’’, 42 mm., 19 jewels, gilt-brass movement entirely hand-engraved with floral and scroll decoration. Going barrel, straight-line lever escapement, cut bimetallic compensated balance with gold poising screws and blued steel hairspring with terminal curve. Polished steel index regulator with swan-neck spring and micrometric screw. Poinçon de Genève (Geneva Seal) stamped twice on the main plate and bridge.

Diameter 51 mm.

Weight 103 gr.

Signature Dial and movement

Accessories Original box, bulletin de marche number 22621, and copies of various related articles.