Graham Chronofighter Oversize Superlight TT Limited Edition Watch Graham Luxury Watches by wholesalewatches - January 27, 20160 Chronofighter Oversize Superlight TT, a specific model to the Tourist Trophy, the legendary motorcycle racing event that every year takes place in the Isle of Man. This watch is limited edition of 200 pieces Graham produced a lightweight black carbon nanotube composite case whose weight is just 51 grams. The