The Tonda Retrograde Annual Calendar is the seventeenth movement developed in house by Parmigiani. The case is available in either eighteen karat rose or white gold duel sapphire crystal displays. The dial comes in either yellow silvered graining or black barley grain with opaline outer ring, spindle shaped applique indeces, and luminous delta shaped hands. The strap is made by Hermès out of alligator skin with an eighteen karat gold buckle.
