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.
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.