Sushi skills: Chef Masaharu Morimoto sets new world record at Napa's BottleRock music festival

NAPA, Calif. (KGO) -- Iron Chef Masaharu Morimoto has used his sushi-making skills to set a new world record.

Video shows him taking the stage at Bottlerock Napa on the Williams Sonoma Culinary Stage and carving up a 205-pound tuna into 100 portions of sushi.

RELATED: Snoop Dogg sets Guinness World Record by making largest gin and juice at BottleRock

He worked fast, but with precision.

Chef Morimoto did it in 12 minutes, 59-seconds flat, half the time he normally takes to carve up such a big fish.

That's good enough for a Guinness World Record.

See more stories about BottleRock and other Bay Area events.