Case
Challenge III or Challenge III GT, Tonneau-shaped 53.7 x 41 mm, Tonneau-shaped 59 x 45 mm
Material & Color
5N Red Gold, Titanium Grade 5, 5N Red Gold, Black
Crystal
Sapphire with none-reflective coating on both sides. Caseback Open with sapphire crystal
Crown
Screw-down, 5N red gold or Grade 5 titanium, polished with rubber insert
Screws
Polished Titanium Grade 5, exclusive CVSTOS TECHNOLOGY pattern
Dial
Arabic numerals Exclusive CVSTOS TECHNOLOGY design
Color
Black
Indexes
Super-Luminova treated
Hands
Pierced, chromed and Super-Luminova treated
Movment
Cvstos CVS577 Self-winding mechanical, Black PVD treatment or rhodiated, Skeletonized
Functions
Chronograph, Hour, minute, seconds, Power-Reserve indicator, Skeletonized date disc
Power-Reserve
42 hours
Frequency
28,800 vibrations/hour
Number of Jewels
21
Bracelet
Alcantara, Alligator leather, Rubber
Clasp
Folding Clasp
