EBAUCHES S.A. - Oscilloquartz

Swiss Watch Fair 1967 EF 70
This portable electronic quartz clock is both extremely precise and of compact size, having a 0.001 second daily variation rate. Its small size (5 dm 3 ) is remarkable. Equipped with thermo-static circuit. For use in geodesic work and for research etc. A model of this type set the absolute record for precision in its category at the 1966 Neuchatel Observatory contests (EBAUCHES S.A. - Oscilloquartz)