CHALLENGE GT 59mm x 45mm
Materials: Bicolor Red Gold 5N
Caseback: Blue Steel. Open with sapphire crystal.
Calibre: Automatic winding, open-work, CVSTOS 577 chronograph movement with blue plasma treatment.
Power-reserve: 42 hours
Functions: Hour, minute. Chronograph. Power-reserve indicator. Date, 5min, 10min and 15min countdown indicator.