Case
Challenge II, Tonneau-shaped 53.7 x 41 mm
Material
Steel
Color
Steel
Crystal
Sapphire with none-reflective coating on both sides
Caseback
Open with sapphire crystal
Crown
Screw-down, polished Grade 5 Titanium, rubber insert
Screws
Polished Grade 5 Titanium, exclusive CVSTOS TECHNOLOGY pattern
Dial
Arabic numerals Exclusive CVSTOS TECHNOLOGY design
Color
Navy Blue, Turquoise
Indexes
Super-Luminova treated
Hands
Pierced, chromed and Super-Luminova treated
Movement
Cvstos CVS577, Black PVD treatment or rhodiated, Self-winding mechanical, Skeletonized
Functions
Chronograph, Hour, minute, seconds, Power-Reserve indicator
Power-Reserve
48 hours
Frequency
28,800 vibrations/hour
Number of Jewels
21
Bracelet/Strap
Alcantara, Alligator leather or Rubber / Folding Clasp