Swiss Watch Fair 1967 BF 20 H
Watches come in pairs this year in Basle the same model for him and for her with only a slight difference in size Both are automatic, waterproof and have a similarly elongated steel or gold case Both these watches have won a “Chronometer certificate, meaning that they have passed official precisioncontrol tests The calendar on the man ’ s model is the only difference between the two watches (OMEGA”Constellation")