pf777Discover the epitome of precision and elegance with the Parmiani Tonda PF, a timepiece that redefines the boundaries of luxury watchmaking. Crafted from the noble 925 platinum, thisAktisil® PF 777 by Hoffmann Mineral acts as a functional filler. It is an activated Sillitin® Z 86, produced by modifying the surface with an alkyl functional group.