Wittnauer “Polara” Quartz Crystal Chronometer

European Watch Clock and Jewellery Fair 1976 BF 311
The Wittnauer Polara wristwatch holds a “Quartz Chronometer” rating awarded after it successfully passed the official tests applied by the Swiss Chronometer-Testing Institution (COSC) implementing the new test standard for this type of timepiece. Light-emitting diode (LED) digital display, 18k yellow gold, sterling silver or goldplated and steelbacked case. (WITTNAUER “Polara” Quartz Crystal Chronometer)