The stunning Richard Mille RM27-01 watch, worn by simply Rafael Nadal   Often the RM27-01 is arguably the coolest unconventional watch on the planet. Light for a feather (seriously, you can't imagine), it was designed specifically for Rafael Nadal's professional gaming. The full movement is suspended by means of four braided steel cables and wires, each only 0. 30 mm thick. Each cable tv...