Girard-Perregaux

European Watch Clock and Jewellery Fair 1987 BF 149
Girard-Perregaux models combining advanced electronic technology, sophisticated micromechanics and Italian designer Marcello Morandini’s artistry : “Equation integrale”, with stepped concentric dials and circular calendar, and “Equation focale”, crowned by a smooth gold or steel tipped sapphire cone, are both absolutely exclusive creations, made in 18K gold, steel and gold or all in steel. (GIRARD-PERRECAUX)