Tom Brady auctioned luxury watches and items from his playing career at Sotheby's this week. His watch collection alone fetched $4.6 million.

To qualify, a grand complication must have an astronomical function, such as a perpetual calendar with moon phases, a minute repeater and a chronograph function. Brady’s model is one of just 100 Grand Complication Patek Philippe watches that have surfaced since 1874 – a rare find for any collector.

Tom Brady sold a slew of watches and pieces from his legendary football career at auction – and the items fetched $9 million all together, according to Sotheby’s. Dozens of items owned by the retired NFL quarterback went under the hammer at Sotheby’s on Tuesday evening,

You can watch Tom Brady every Sunday calling NFL games on Fox, but fans are still clamoring to get a piece of the seven-time super bowl champion.

The Richard Mille Baby Nadal Ref: RM35-03 FQ was arguably the most intriguing of the trio: a 2010 release that recognises one of the greatest tennis players of a generation, Rafael Nadal. It was also the most expensive Richard Mille on the night, selling for $384,000 USD (~$598,000 AUD).