Zenith “Port Royal”

NOT FOR RELEASE BEFORE APRIL 1 1977
European Watch Clock and Jewellery Fair 1977 BF 203/330
Seitwinding mechanical or quartz electronic movement either can be fitted in this model without altering its styling or proportions in the least Both types are identical in shape and offer the same features extra-thin profile, centre seconds, calendar. Steel or goldplated case water-resistant up to 3 atm. and integrated bracelet. (ZENITH “Port Royal”)