Urban Jürgensen
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UhrwerkAutomatisch
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Losnummer218
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Durchmesser47mm
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Standort
Beschreibung
URBAN JURGENSEN "FECIT" MARINE CHRONOMETER Urban Jurgensen, Kjobenhavn, Fecit, No. 44. Made circa 1830.
Fine and extremely rare, marine chronometer.
Three body mahogany deck-watch type box. Spring mounted Brass bowl with
screwed bezel, pocket watch mounted within a brass frame allowing for winding
from the opening in the bowl.
Enamel with Roman numerals, subsidiary seconds. Blued steel breguet hands.
20''', gilt brass 3/4 plate, with cylindrical pillars secured by pins, fusee with
chain and maintaining power, the barrel passing through the back plate, and
secured by a bridge, Earnshaw type spring detent escapement, three-arm
compensation balance with cylindrical weights and timing screws, engraved
balance clock, free sprung helical balance spring with terminal curves.

