Tokyo's benchmark Nikkei index closed flat on Monday, as Nintendo shares tumbled after reports said its next console would be delayed.

The benchmark Nikkei 225 index edged down 0.04 percent, or 16.86 points, to end at 38,470.38, while the broader Topix index climbed 0.57 percent, or 14.96 points, to 2,639.69.