HEUER “Microsplit 530”

European Watch Clock and Jewellery Fair 1975 BF 307
The smallest in the world Heuer’ s solid state electronic timer is no larger than a minicassette, weighs a mere 100 grams and its readout includes the hundredth of a second. Time display to 59 minutes, 59099 seconds by light-emitting diodes (LED). The exact time is monitored by a quartz vibrating more than 3 million times per second (32768 MHz). The timer provides 3 types of time measurements : Start-Stop - the addition of normal times; Flyback feature - for cumulative measurements; Taylor feature - for successive times. Battery-powered (so hrs0 power reserve) or rechargeable batteries with a voltage drop indicator. (HEUER “Microsplit 530”)