Parmigiani Fleurier Watch Tonda GT Chronograph PFC906-1020001-400181. Parmigiani Fleurier watches have conceived the Tonda PF for the watchmaking purists of tomorrow. An uncompromising crowd of a select few, seeking personal hedonistic pleasure, who are savvy in watchmaking, appreciate sartorial craft on their timepieces, and have a strong sense of style and refinement.