Image source: Rolex
Murray wore a Rado watch when he lifted the Wimbledon trophy in 2016, but embarrassingly it was telling the wrong time.
The tennis player is said to earn £1m a year to wear Rado watches.
Federer is a longtime ambassador of Rolex and it is believed that Federer is paid around £5m-per-year by Rolex.
The Swiss has been snapped lifting a trophy in a variety of different expensive watches but he is a fan of the GMT Master II, which has a price tag of around £11k.
Wawrinka has a deal with Audemars Piguet since 2014 and in 2017 he was snapped in an exclusive marketing campaign.
He often was seen wearing their Diver chronograph.