Challenge Sea-Liner
   

 

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

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 CVSTOS 6511 GMT.
FunctionsHour, minute, seconds, second time zone, big date, day/night indicator, 24hours indicator.
Power-reserve 42 hours
Jewels 25
Frequency 28,800 vibrations per hour

Rotor Exclusive CVSTOS TUNGSTEN 88 & TITANIUM TECHNOLOGY alloy, blue PVD treatment.