JAY-Z was rap's first billionaire.

And he has a wife who can pay her own way.

That leaves him plenty of money to spend on watches.

Hov was among those who attended Philadelphia 76ers co-owner Michael Rubin’s Fourth of July party over the weekend.

He brought his $3 million Richard Mille RM 56-01 Tourbillon in green sapphire.

Check it out.

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Does that look like three million bucks?