News Must See Photos: Ever Wondered What A ₦4billion Watch Looks Like? Well See It Here! By Odili Jeffery - Apr 15, 2016 444 0 SHARE Facebook Twitter tweet This watch you are looking at cost a staggering $18million. Yes, you read it right. When you convert that to Naira, that’s about N4billion. That’s the billionaire tourbillon watch from Jacob and Co.