Most point to the release of the “Rainbow” Daytona in 2012 as the starting point for this trend, but Rolex’s experimentation with multi-hued gems actually goes back much further. The proof?

Virat Kohli has quite a few Audis in his garage. Out of the lot, the RS5 Coupe stands out, with its 2.9-litre TFSI V6 twin-turbo engine replacing the behemoth V8 engine. It goes from 0-100kmph in ...