European Watch Clock and Jewellery Fair 1977 BF 376
A “professional” chronograph with two LCD readouts which can work independently one from the other. Top : hours and minutes and, on command, seconds and date. Bottom : a chronograph with double readout and 12-hour recording capacity. It also provides lap and split times. This timepiece includes two synchronised C-MOS integrated circuits. (HEUER - Chronosplit)