European Watch Clock and Jewellery Fair 1973 D 108
A new development in economical watches: Continental introduce to electronic models, one for men (ESA 9200), the other for ladies (ESA 9157) 9998 % accuracy, i.e. to one minute per week Ø. Both have similar design, with large rounded profectus case, water-resistant to 3 atmospheres (30 m) Calendar on the man’s model. The wearer himself can change the battery. (CONTINENTAL-electronic)