Cal 18 1/2 N.V.

(c): Vultures78

ZENITH movement cal. 18 1/2 N.V. has been produced in September 1922. 18 1/2 is movements size measured in lignes. It is a 16 jewels caliber, vibrating 18,000 times per hour. Entire series of 18 1/2 movements was made in 925.270 pieces in period between 1905-1955.

This watch was made especially for Unions of Swiss banks 50 th anniversary. Nicely decorated in Niello technique engraving both on bezel and back. On the back of the case there is picture of Helvetias head, female personification of Switzerland. Very unique pocketwatch. Number of made examples is unknown. This is German version, and there is a French version as well.