Girard-Perregaux “Equation focale”

European Watch Clock and Jewellery Fair 1987 BF 146
“Equation focale” was created for Girard-Perregaux by Italian designer Marcello Morandini. A smooth sapphire cone with gold or steel tip crowns this timepiece combining the most sophisticated electronic technology and horological micromechanics. Time with a strikingly unusual silhouette for men and women, in 18K gold, gold and steel or all steel. (GIRARD-PERREGAUX “Equation focale”)