Suter-HAFIS “Aquamaster”

Swiss Watch Fair 1967 BF 62
In order to suppress all humidity and prevent condensation, a vacuum has been created inside this watch’s water-resistant case. Water-resistance guaranteed to 5 atmospheres. Self-winding, quick-beat movement, calendar, scratch-proof crystal. Minute-circle on the tension ring. Official Montreal Expo 67 watch. (SUTER-HAFIS “Aquamaster”)