Swiss Watch Fair 1967 BF 109
Very compact (200 ccm.) electronic dashboard quartz chronometer. Precision 0.01 second per day. Equipped with a thermocompensated circuit. For use in laboratories on board ships or planes, i. e in all cases where both exacting precision and compact size are required. A chronometer of this type established the absolute precision record in its category at the 1966 Neuchatel Observatory contests. (EBAUCHES S.A. Oscilloquartz)