Case
Challenge II or Challenge II GT, Tonneau-shaped 53.7 x 41 mm, Tonneau-shaped 59 x 45 mm
Material & Color
5N Red Gold, Steel, Black
Crystal
Sapphire with none-reflective coating on both sides. Caseback Open with sapphire crystal
Crown
Screw-down, polished Titanium Grade 5 or 5N Red Gold, rubber insert
Screws
Polished Titanium Grade 5, exclusive CVSTOS TECHNOLOGY pattern
Dial
Vertical Guilloché pattern, satin-finished
Color
Black
Indexes
Super-Luminova treated
Hands
Pierced, chromed and Super-Luminova treated
Movment
Cvstos CVS410 Self-winding mechanical, Black PVD treatment or rhodiated, Skeletonized
Functions
Hour, minute, seconds, Skeletonized date disc
Power-Reserve
42 hours
Frequency
28,800 vibrations/hour
Number of Jewels
21
Bracelet
Alcantara, Alligator leather, Rubber
Clasp
Folding Clasp
Limited Edition
100 pieces
Reference 41mm / A10101.4105001