Blast TourbillonThe complex, geometric architecture of the tessellated horns create a pumped up, vigorous and imposing masterpiece and reminds afurtive aircraft. Blast Tourbillon is playing off the transparency of its new powerful automatic silicium tourbillon nested in abold, X shaped cage, which beats inside at a frequency of 2. 5 Hz. Blast Tourbillon is the first Ulysse Nardin Skeleton model featuring an automatic tourbillon and a new tiny yet powerful platinum