The always-bold Roger Dubuis has announced its newest watch and it’s a partnership with racing tire maker Pirelli. The two brands have teamed up to create the new and blue Excalibur Spider Pirelli with double flying tourbillon in a limited series of just eight pieces. In addition to this colorful and unusual timepiece, Roger Dubuis has confirmed that it will be releasing new watches exclusive from the Excalibur collection through 2019. So, what is so special about the limited edition Excalibur Spider Pirelli? Let’s take a look.