Girard-Perregaux “Equation Terres”

European Watch Clock and Jewellery Fair 1985 BF 313
Multifunction analogue quartz watch. This new model from Girard-Perregaux shows the date on the small upper dial. A dial aperture displays the phases of the moon and the lunar cycle. The large aperture indicates the months, zodiacal signs, seasons, solstices and equinoxes. All functions are synchronized and controlled by the crown. Waterresistant case with transparent sapphire back revealing the quartz movement decorated by hand. Case in steel, in gold and steel or in 18K gold. (GIRARD-PERREGAUX “Equation Terre”)