Important Jewelry, Watches and Wristw...

Hong Kong, Furama Hotel, Jun 07, 1999

LOT 437

Breguet, No. 2853, Chronometre d'aerodrome antimagnetique, completed in December 1935, sold in 1946. Fine and rare silver keyless pocket lever chronometer, Bulletin de Premiere classe at the Besancon National Observatory contest in 1945. Awarded a bronze medal with a total of 125/168 marks.

HKD 15,000 - 18,000

USD 2,200 - 2,600

Sold: HKD 25,300

C. Double body, massive, antimagnetic, "bassine " , polished. Detachable antimagnetic cuvette. D. White enamel with bold Breguet numerals. Blued steel "spade" hands. M. 19 "' , gilt brass, 15 jewels, straight line lever escapement, brass-invar Guillaume balance, adjusted by G. Grogg, blued steel balance spring with terminal curve. Signed on the dial and movement. Diam. 64 mm.


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Grading System
Grade: AA

Very good
Case: 4-6

Fair

Slightly oxidized
Movement: *4

Fair

Overhaul recommended, at buyer's expense
Dial: 3-01

Good

HANDS Original

Notes

Timing Contest: - Mean average daily rate ± 3,68 - Error of compensation at 17 0 - 0,103 - Mean error in 2 positions - 2,41 - Restart period + 1,10 The punch mark in form of a viper's head is set by the Observatory of Besancon on watches successful at the contest and awarded the Bulletin de Premiere classe.