Tiny Purity Tourbillon NanoSaphir Chameleon

Case: Made from NanoSaphir Chameleon (color-shifting from amber-orange to vivid green)
Diameter: 39mm
Caseback: Open, screw-in
Water resistance: 3 ATM, equivalent to 30 meters, 
Movement: Latest generation 2023 movement, developed, designed and manufactured in Switzerland exclusively for ArtyA.
Flying tourbillon movement with double barrel (for high chronometric reliability)
Oversized tourbillon cage, 17mm in diameter
Skeleton design, for a pure, minimalist look.
Functions: Hours, minutes, seconds on the flying tourbillon
Frequency: 4 Hz (a higher frequency than usual for a tourbillon, ensuring greater stability)
Power reserve. 72 hours