Mayweather drops $18 million on watch

TORONTO, ON - MAY 19: Floyd Mayweather looks on prior to the WBC Light Heavyweight title fight between Adonis Stevenson and Badou Jack at Air Canada Centre on May 19, 2018 in Toronto, Canada.

Vaughn Ridley / Getty Images Sport / Getty

Floyd Mayweather Jr. posted an Instagram video Tuesday showing off his latest extravagant purchase: a watch he says cost him $18 million dollars.

This my new timepiece, it's called "The Billionaire Watch". If you don't know about it, google Billionaire Watch. That's $18 Million on the price tag. I bought this watch from the best jeweler in the world, hands down @tadashi1980. He has better prices than any other jeweler that I’ve ever done business with ever and trust me, I’ve bought jewelry from every jeweler in NYC, Vegas, LA, Detroit, Houston and Miami. From here on out I’m only buying from @tadashi1980 fire your jeweler and hire @tadashi1980 Follow his page now.

A post shared by Floyd Mayweather (@floydmayweather) on Jun 27, 2018 at 7:53am PDT

"The Billionaire" watch, made by Jacob & Co., is made of 18K white gold and features 260 carats of emerald-cut diamonds.

Mayweather topped Forbes' annual list of the highest-paid athletes in the world for 2018, earning an estimated $285 million since June 2017.