Girard-Perregaux “Quartz 641”

European Watch Clock and Jewellery Fair 1976 BF 362
This all-steel water-resistant case with very thin and undeniably feminine and elegant lines houses a high-precision quartz electronic movement. Integrated steel bracelet. Accurate to within one minute a year, this watch runs without winding or without even having to be worn. (GIRARD-PERREGAUX “Quartz 641”)