Important Modern & Vintage Timepieces

Geneva, May 15, 2016

LOT 224

JULES JURGENSEN LARGE HUNTING CASED THREE-BRIDGE ONE MINUTE TOURBILLON WITH DETENT ESCAPEMENT YELLOW GOLD Jules Jurgsensen, Copenhagen, made in Switzerland, No. 9557. Made in 1861. Very fine, rare and large 18K yellow gold hunting cased key-wound pocket watch with one minute tourbillon.

CHF 40,000 - 60,000

HKD 320,000 - 480,000 / USD 42,000 - 63,000

Four-body, "bassine et filets". Glazed cover for the movement. White enamel, radial Roman numerals, outer minute track, subsidiary seconds. Blued steel spade hands. 45 mm.(21'''), ebauche and tourbillon bridge by Charles Berg, nickel with three parallel bridges, 19 jewels, Grether 3 type tourbillon with pivoted detent escapement, guillaume balance, blued steel Phillips balance spring with amplitude safety device, gold going train including the stationary third wheel.


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Grading System
Grade:
Case: 2-8

Very good

Slightly scratched
Movement: 2-8*

Very good

Slightly scratched

Overhaul recommended, at buyer's expense
Dial: 2-01

Very good

HANDS Original

Notes

Dial, case and movement signed. DIAM. 56.5 mm. THICKNESS 17.5 mm. This watch is illustrated in The Jurgensen Dynasty by John Knudsen p. 263 and in Le Tourbillon by Reinhard Meis, p. 196 According to the Jurgensen Dynasty and the remaining archives, there were only 6 Tourbillons ever made by the firm.