The TONDA PF Sport Chronograph Silver Verzasca Blends Precision with Refined Luxury Shereen Shabnam With the arrival of the warmer season, Parmigiani Fleurier introduces a striking new addition to its TONDA PF Sport collection: the TONDA PF Sport Chronograph Silver Verzasca, a timepiece inspired by the mineral beauty and crystal-clear waters of Switzerland’s Verzasca Valley….