Challenge Chrono II
   

 

CHALLENGE case Tonneau-shaped, 53.70mm X 41mm

Materials Steel, black steel or titanium with pink 5N gold lateral elements. Polished and satin-finished case
Caseback Open with sapphire crystal
Crystal
Sapphire, none-reflecting coating
Water-resistance
100 meters

Screws Polished titanium grade 5, exclusive CVSTOS TECHNOLOGY pattern.
Crown Screw-down, polished titanium grade 5 or red gold, rubber insert.
Push-pieces Titanium grade 5 or ergal polished
Dial Sapphire, none-reflective coating, exclusive CVSTOS TECHNOLOGY decoration
uIndexes Chromed and Super-Luminova treated
Hands Pierced, chromed and Super-Luminova treated

Calibre CVSTOS 577 Automatic chronograph
Functions Chronograph, power-reserve indicator, date
Power-reserve 42 hours
Jewels 25
Rotor Exclusive CVSTOS TUNGSTEN 88 & TITANIUM TECHNOLOGY alloy
Frequency 28,800 vibrations per hour

Bracelet or Strap Alligator skin or rubber.
Buckle Folding clasp