Description
Case: Tonneau-shaped
CHALLENGE 53.70mm X 41mm
CHALLENGE GT 59mm X 45mm
Materials: Steel, black steel or titanium with pink 5N gold lateral elements
Caseback: Open with sapphire crystal, none-reflecting coating
Calibre: CVSTOS 577 Automatic chronograph
Power-reserve: 42 hours
Jewels: 25
Functions: Chronograph, power-reserve indicator, date
Swiss made