JULES JURGENSEN DETENT ESCAPEMENT POCKET WATCH YELLOW GOLD Jules Jürgensen, Copenhagen, Swiss, No. 7608/1004. Made circa 1854. Very fine 18K yellow gold key-wound pocket watch with detent escapement. | Important Modern &
Bonhams : Jules Jurgensen, Copenhagen. A rare and unusual 18K gold keyless wind diablotine dual train chronograph full hunter pocket watch Case and Movement No.10489, Circa 1890