Encased in the transparency of the sapphire crystal case, the Challenge Sapphire Tourbillon expresses the Cvstos’ watchmaking philosophy to the full in as limited edition of 10 pieces.
CHALLENGE case, Tonneau-shaped, 53.70 mm x 41 mm
Calibre Cvstos CV2600 openwork tourbillon, manual winding mechanical movement, number of components 197. Flying tourbillon , cage Ø 12mm, functions hour, minute, seconds. Sapphire case, CVSTOS TECHNOLOGY decoration. Power-reserve 72 hours minimum, 21 Jewels, Frequency of 18,000 vibrations/hour.