THE ART OF BREGUET
Geneva, Hotel Des Bergues, Apr 14, 1991
LOT 115
A Monsieur L.H. Dulles Chonometer No. 4580, sold on 19 February 1960, for the sum of 4000 Francs. Gold keyless pocket chronometer. Original red leather fitted case.
CHF 30,000 - 35,000
Sold: CHF 34,500
Case: 18 ct., three piece,frosted, No. 4580, the band engraved with a decorative frieze.
Dial: White enamel, signed: "Breguet, No. 4580", with Roman hour and Arabic minute numerals.
Subsidiary seconds and up-and-down scale
calibrated for "30" hours. Blued-steel Breguet
hands.
Movement: Gilt brass, 17"', three-quarter plate caliber, made in the workshops of Breguet in
Paris, 19 jewels, fusee with maintaining power,
the keyless work automatically disconnected
when fully wound and re-engaged by a bolt in the
band. Spring detent escapement with gold scape
wheel, two-arm bimetallic compensation balance
with gold adjusting screws. Free-sprung with
blued-steel ad'
spring and terminal
curve, diamond end stone.
In unused condition.
Diam. 49 mm.
