IMSA has revealed the 49-car entry list for next week's Motul SportsCar Grand Prix at Road America - the only sprint round to ...

After four races, the championship battle remains exceptionally close, with just 10.5 points separating the top four drivers.

The casebacks are also different. While the All-Black features a sapphire display back showing off the movement, the uncoated model has a solid caseback featuring the vintage Porche Design logo and ...