URBAN JURGENSEN & SONS MINUTE REPEATING
SPLIT-SECOND CHRONOGRAPH YELLOW GOLD
Urban Jurgensen & Sons, Copenhagen, No. 4887/3006.
Made circa 1910.
Very fine and very rare, minute repeating, 18K gold
hunting-cased keyless pocket watch with split seconds
chronograph, instantaneous 30-minute register and
Jurgensen's patented bow hand-setting mechanism.
Four-body, "bassine et filets", polished, the front
cover with gold applied diamond set flower. Hinged
gold cuvette.
White enamel with arabic numerals, outer minute
track, outer Arabic five minute/second numerals, subsidiary
seconds at 6, 30-minute register at 12. Blued steel
"spade" hands.
18''', rhodium-plated, 32 jewels, counterpoised
straight-line lever escapement, cut bimetallic compensation
balance, blued steel Breguet balance-spring, index
regulator, repeating on two gongs activated by a slide in
the band.