In many ways the former Tauranga Boys' College star is a throwback in the modern era of slap and giggle Twenty20 cricket.
Williamson, whose low-key century celebrations are beginning to look routine, said he was not getting too carried away with his improving statistics.
"I don't look at that at all. I am just trying to improve my game all the time and adapt to what's in front of me," Williamson said.
"I suppose you learn more and more as you play. I have played a lot recently and that helps.
"I just want to stay calm and relaxed at the crease and try and score as many runs as I can, as often as I can."
Consider that the likes of Daniel Vettori, Ish Sodhi, Corey Anderson, Daniel Flynn and newly-signed Dean Brownlie all play their first class cricket for Northern Districts and it becomes clear where the balance of power in New Zealand cricket now rests.