Derby SWISSONIC

European Watch Clock and Jewellery Fair 1974 BF 319
A world premiere by Derby Swissonic in Basle this year : a completely new electronic digital display watch with instant display system. It is powered by a i 035V battery lodged in a recessed nook that is just as easy to replace as a tape cassette The screen is placed at an angle of 50 for easy reading without twisting the wrist and its legibility is further improved by a magnifying crystal A man’s and a lady’s model are available An electronic desk clock has been designed on the same principle. Tubular metal case (in red, black or blue) with modern styling. The i .5V battery provides enough energy for three full years (DERBY SWISSONIC)