European Watch Clock and Jewellery Fair 1973 IBF 311
A ne model that is off the beaten track 100 % electronic , but with an active display systern by means of luminescent diodes. Pressure on one button gives the hours and the minute 9 pressure on another the seconds and the date. Quartz frequency is 30,720 Hertz and the electronic display system is controlled by a minicomputer (1200 transistors). (ELGIN i!Minicomt)