Limited Edition of 100 Pieces. Graham Watch Chronofighter Superlight Carbon Tourbillograph Limited Edition 2CCBK.B35A.K92K. Graham continues its watchmaking prowess by launching a second remarkable technological timepiece which brings Superlight technology to its peak. The Graham watches Chronofighter Superlight Carbon is the first carbon fibre made Chronofighter watch combining complex and unprecedented machining processes. Four different high technology forms in high strength carbon processing, innovative and not peculiar to watch making, have been used to create the Chronofighter Oversize Superlight Carbon.