A triple-axis tourbillon is extremely rare; a triple-axis tourbillon wristwatch even more so. However, Thomas Prescher's triple-axis flying tourbillon is not simply extremely rare – it is absolutely unique. Prescher's Triple Axis Tourbillon Regulator features one of the world's most exclusive and most difficult complications to assemble, set to stunning advantage in a jet-black natural onyx dial that contrasts beautifully with the pink-gold case.