Nepro “Zanzara 3”

Swiss Watch Fair 1971 BF 262
Already, a fresh version of the world s first alarm wristwatch with electronic buzzer is being marketed. Its success illustrates the great demand for this type of model, now an indispensable item for modern living. The Elesonic-system transistorized electronic buzzer is powered by a 1,5 voit miniature battery with a minimum energy reserve of one year; its power at a distance of 22 cm is 80 decibels (dB). Case in silvered metal or goldplate. (NEPRO “Zanzara 3”)