Geneva, November 8th-9th, 2025
Geneva, Nov 07, 2026
TECHNICUM CANTONAL BIENNE, SWITZERLAND, “PIÈCE ÉCOLE”, WITH SWAN-NECK SPRING AND MICROMETRIC SCREW, STAINLESS STEEL
TO BE SOLD WITHOUT RESERVE
A fine and rare, stainless steel, manual wind Open-face, keyless-winding pocket watch. Two-tone silvered dial with applied Breguet numerals, outer minute track and subsidiary seconds at 6 o’clock. Gold Breguet hands. Case back decorated with a relief depiction of the Technicum Cantonal de Bienne.
| Grading System | |
|---|---|
Grade: AA |
Very good |
Case: 3-6 |
Good Slightly oxidized |
Movement: 3* |
Good Overhaul recommended, at buyer's expense |
Dial: 3-01 |
Good HANDS Original |
Brand Technicum Cantonal Bienne, Switzerland
Model “PIÈCE ÉCOLE”
Movement No. 2334
Caliber 42 mm., gilt-brass movement, 17 jewels, going barrel, straight-line lever escapement, cut bimetallic compensation balance with gold poising screws, blued steel hairspring with terminal curve, and polished steel index regulator with swan-neck spring and micrometer screw.
Diameter 51 mm.
Signature Dial and movement with the initials TBC
