With Ulysse Nardin original Certificat de Garantie for a hunter case minute repeating grande and petite sonnerie watch no. 600446/10221 dated 4 April 1970 and stamped by Chronometrie Beyer, 31, Bahnhofstrasse, Zürich, Suisse. Furthermore delivered with machine-typed "Instructions regarding the clock-watch-repeater" dated 21 November 1968 with operating instructions in English and in French.
According to the Archives of Ulysse Nardin, the movement of the present watch was made around 1910. It was finished, encased and sold circa 1970. The twin barrel winding mechanism is based on Pellaton Frères Swiss Patent No. 35121 of 18 November 1905.