Undefeated former pound-for-pound king Floyd Mayweather Jr. recently showed off his new purchase via Instagram: a multi-million dollar watch.

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

According to jewelry and wristwatch retailer Jacob & Co., “The Billionaire Watch” is an 18-karat, white gold watch with 260 carats of emerald cut diamonds. (LIN ON JACOB AND CO. )

Mayweather said the watch is worth $18 million or P960,659,909
(roughly a billion pesos).

“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,” he said in his post.

The controversial boxer is known to flaunt his riches, be it cars, his shoe collection, his private jet or just bags full of cash.

• 10 reasons why Floyd is nicknamed 'Money'

Mayweather recently visited the Philippines for a short vacation.

• LOOK: Mayweather arrives in style

• READ: All smiles for Mayweather in Palawan tour
• WATCH: Mayweather shoots hoops, eats chicken inasal

He toured Palawan, visited malls and even shot hoops in Manila.

(For more sports coverage, visit the ABS-CBN Sports website.)