Challenge HM-S
   

 

CHALLENGE case Tonneau-shaped, 53.70mm X 41mm

MaterialsSteel or 5N red gold. Polished and satin-finished case.
Setting Versions set with diamonds available.
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, rubber insert.
Dial Sapphire, none-reflective coating, exclusive CVSTOS TECHNOLOGY decoration.

Indexes Chromed and Super-Luminova treated.
Hands Pierced, chromed and Super-Luminova treated.

Calibre CVSTOS CVS 2650 Automatic movement.
Functions Hour, minute, 3 X 20 Seconds indicator and date.
Power-reserve 60 hours.
Jewels 21.
Rotor Exclusive CVSTOS TUNGSTEN 88 & TITANIUM TECHNOLOGY alloy
Frequency 21,600 vibrations per hour

Bracelet or Strap In the same metal as the case, black alligator skin, black or white rubber, versions with links.
Buckle Folding clasp.