Tiny Purity Tourbillon NanoSaphir Bicolor

Completely redesigned ArtyA manufacture and exclusive double barrel tourbillon Swiss movement.
Very high chronometric reliability due to the torque of the double barrels 4 Hz.
Oversized tourbillon with a diameter of 17mm now benefits from a traditional adjustment.
Hour, Minutes, Seconds on flying tourbillon
Power reserve: 72h
Case in full bicolor NanoSaphir
Size: 39 mm
Case back open and screwed
Water resistance to 30 meters
Swiss made
Unique piece 1/1