IWC - International Watch Co.

Swiss Watch l’air 1970 BF 945
The new quartz electronic wristwatch. Here, the quartz vibrates 8’192 times per second Frequency reduction by means of integrated divider circuits Annual variation is measured in seconds. Case in 18 carat yellow gold, gilt dial with a minute-circle indicative of the watch’s high precision9 calendar. (IWC - International Watch Co.)