Girard-Perregaux “Equation intégrale”

European Watch Clock and Jewellery Fair 1987 BF 147
The Italian designer Marcello Morandini has successfully combined boldly innovative styling and advanced time technology in this “Equation intégrale” model created for Girard-Perregaux. This exclusive timepiece features a stepped dial for the hours, minutes and seconds over a circular calendar. Available in 18K gold, gold and steel and all steel. (GIRARD-PERRECAUX “Equation intégrale”)