Accompanied by copy of the worksheet confirming manufacture of the present watch. It appears that it had obtained a Bulletin de Marche in the Neuchâtel Observatory 1908 Timing Contest, category "Chronomètre de Deuxième Classe".
Jules Jürgensen (1808-1877), a renowned watchmaker and son of the famous Urban Jürgensen, signed his watches "Copenhagen" although he in reality worked in Le Locle, a center of watchmaking in the Canton of Neuchâtel, Switzerland.
His numerous patents contain the famous bow setting mechanism as featured on the present watch, patented in 1867. It is engaged by moving the bow towards the dial, allowing to set the hands.