Case
Challenge Sealiner or Challenge Sealiner GT, Tonneau-shaped 53.7 x 41 mm, Tonneau-shaped 59 x 45 mm
Material & Color
Steel, Navy Blue, Skyblue
Crystal
. Caseback Open with sapphire crystal
Crown
Screw-down, polished Titanium Grade 5 or 5N Red Gold, rubber insert
Screws
Polished Titanium Grade 5 or 5N Red Gold, exclusive CVSTOS TECHNOLOGY pattern
Dial
Teak wood plate Rhodium-plated or goldened decorative applique, polished with Côtes de Genève finish
Color
Blue
Indexes
Super-Luminova treated
Hands
Pierced, chromed and Super-Luminova treated
Movment
Cvstos CVS410 Self-winding mechanical, Rhodium treated, 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
