The Longitude at the Eve of the Third...
Geneva, Hotel Des Bergues, Oct 23, 1999
LOT 112
L. Leroy & Cie., Horlogers de la Marine, 7 Boulevard de la Madeleine, Paris, No. 17071/26178, circa 1912.Fine 18K keyless pocket lever chronometer, Bulletinde Première classe de l'Observatoire National de Besançon, No. 9288.
CHF 3,000 - 3,500
Sold: CHF 3,680
C. Three body, massive, "Empire", polished. Hinged gold cuvette. D. Gold engine-turned with Breguet numerals on a frosted chapter ring and subsidiary seconds. Blued steel Breguet hands. M. 16''', gilt brass with punch-mark in form of a viper's head set by the Observatory of Besançon, 20 jewels, brass-invar Guillaume balance, blued steel balance spring with terminal curve.Signed on the dial, case and movement.Diam. 51 mm.
| Grading System | |
|---|---|
Grade: AA |
Very good |
Case: 3 |
Good |
Movement: * 4 |
|
Dial: 4 - 5 - 01 |