The Israeli was born in what is now Poland on September 15, 1903, three months before the Wright brothers' first powered and controlled aeroplane flight.
He lived there after the First World War until the Nazi occupation in World War II, when he was eventually sent to the Auschwitz concentration camp.
Kristal survived and moved to Israel, where he has lived for over six decades.
Guinness World Records confirmed today he was now considered the world's oldest living man, but Kristal remained modest.
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"There have been smarter, stronger and better looking men than me who are no longer alive."
His daughter Shula Koperstoch was more excited.
"It's a privilege (to have reached this age) and I'm very happy and he's happy too. It's really a privilege," she told AFP.
Marco Frigatti, Head of Records for Guinness, said, "Kristal's achievement is remarkable -- he can teach us all an important lesson about the value of life and how to stretch the limits of human longevity."