European Watch, Clock and Jewellery Fair 1973 D124
A new ay to read the time. Based on the binary system, this watch provides both an evaluation of elapsed time and the right time at one single glance a coloured dot in one of the 6 lower aperture gives the hours, the minutes appear in the centre aperture with the date visible in the one above. What’s more, there is not longer any risk of breaking the crystal. (SICURA “Pro Domo”)