European Watch Clock and Jewellery Fair 1985 BF 301
Pocket watch sales increased 15% from 1983 to 1984. Here an Aero model showing the time of two time-zones. Dials with Roman and Breguet figures, studded minute-track. Yellow goldplated case. Two 5 1/2“ETA quartz movements. (AERO WATCH”Duo Time")