Nepro “Quartz Lady”

European Watch Clock and Jewellery Fair 1974 BF 352
A major premiere in Basle : the presentation of the first lady’s quartz wristwatch with a 100% electronic liquid crystal time display (LCD) system, Its quartz resonator vibrates 32,768 times per second and its impulses are divided by an integrated circuit and transmitted to the digital display by a decoder circuit. Display capacity : three and a half digits. Monthly rate variation : about 3 seconds. Precise setting to the correct time by means of 3 switches controlled by a magnet. (NEPRO “Quartz Lady”)