Challenge Sea-Liner


CHALLENGE case Tonneau-shaped, 53.70mm x 41mm x 13.35 mm

Materials Steel, Blue Steel or 5N Red Gold. Polished and satin-finished case
engraved with four apertures on the lateral sides (two per side).

Caseback Open with sapphire crystal.
Crystal Sapphire, none-reflecting coating 2 faces.
Water-resistance 100 meters

Screws Polished titanium grade 5 or 5N Red gold.
Exclusive CVSTOS TECHNOLOGY pattern.
Crown Screw-down, polished titanium grade 5 or 5N Red Gold, Nitril insert.
Dial Teck wood base. Rhodium or gold plated applied. Surface finish: polished and
cote de Genève. Date magnifying. Saphire none-reflective coating.

Exclusive CVSTOS TECHNOLOGY design. Sapphire, none-reflective coating.

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

Calibre Skeletonized. Automatic winding movement CVSTOS CVS350, rhodiated treatment.
Functions Hour, minute, seconds in the center (date disc skeletonized).
Power-reserve 42 hours
Jewels 21
Frequency 28,800 vibrations per hour

Bracelet or Strap Rubber (Nitril-NBR®) or alligator skin.
Buckle Folding clasp