Parmigiani Fleurier Watch Tonda 1950 Double Rainbow Tourbillon PFH279-1064600-HA2121. Parmigiani Fleurier is proud to present its new creation: the Tonda 1950 Tourbillon Double Rainbow. This haute horlogerie timepiece, driven by the ultra thin PF517 movement, features a double gradient of extraordinary colours and represents a fine example of Parmigiani Fleurier's skill in marrying the arts of watchmaking and jewellery.