JULES JURGENSEN INDEPENDANT CENTER-SECONDS
FOUDROYANTE WITH "SECRET MECHANISM" YELLOW GOLD
Jules Jürgensen, Swiss, No. 9969/40245. Made in 1865.
Very fine, rare and early independent center-seconds 18K yellow gold
keyless pocket watch with foudroyante. Accompanied by a copy of the
Jurgensen archive in the amout of CHF 669.18.
Four-body, "bassine", polished, reeded band, engine turned caseback,
secret button in the band for start/stop mechanism of the foudroyante..
White enamel with black radial Roman numerals, outer minute
track. Blued steel Breguet hands.
19''', 15 jewels, straight-line lever escapement, cut bimetallic
compensation balance, blued steel Breguet balance spring, large index
regulator, special lever for time setting within the border.