Antiquorum Auctioneers since 1974

Geneva, November 8th-9th, 2025

Geneva, Nov 07, 2026

LOT 5

ECOLE D'HORLOGERIE GENEVOISE, SWITZERLAND, “PIÈCE ÉCOLE”, MADE BY H. BOSSON, SILVER

CHF 1,500 - 2,500

HKD 14,300 - 23,900 / USD 1,850 - 3,100 / EUR 1,650 - 2,700 / JPY 288,000 - 480,000

TO BE SOLD WITHOUT RESERVE

A fine, silver, manual wind open-face Geneva Watchmaking School pocket watch, so-called “pièce-école”, with white enamel dial, subsidiary seconds at 6 o’clock and blued steel Breguet hands.


LOADING IMAGES
Click to full view
Image

Grading System
Grade: A

Good

Case: 3-8

Good

Slightly scratched

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 3-71-01

Good

ENAMEL AND VARIOUS TYPES OF DECORATION Hairlines

HANDS Original

Brand Ecole d'Horlogerie Genevoise, Switzerland

Year Circa 1920-30

Movement No. 8452

Case No. 133

Caliber 42 mm., 19 jewels, gilded brass, going barrel, straight-line lever escapement, cut bimetallic compensated balancewith gold poising screws and blued steel hairspring with terminal curve, polished steel index-regulator.

Diameter 52 mm.

Signature Dial and movement