CHALLENGE III case, Tonneau-shaped, 53.70 mm x 41 mm
Calibre Cvstos CVS8550, manual winding mechanical movement, number of components 387, four barrels in parallel placed on the main plate with finishing snail engraving. Tourbillon with 54 components per cage, one rotation/60s,Titanium balance wheel and functions Hour, minute, seconds. Power-reserve 60 hours, 55 Jewels, Frequency of 28,800 vibrations/hour.
MATERIALS: Steel, Titanium Grade 5, Bicolor 5N Red Gold