Geneva, November 8th-9th, 2025
Geneva, Nov 07, 2026
ECOLE D'HORLOGERIE GENEVOISE, SWITZERLAND, “PIÈCE ÉCOLE”, MADE BY H. BOSSON, SILVER
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.
| 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