"The market reaction to the Greek deal has been fairly muted because it was expected, it was more or less a done deal, " said Yoji Takeda, head of Asian equities for RBC Global Asset Management in Hong Kong.

WSJ: Asia Markets Finish Mixed

If base wage levels for workers cannot go up, says Yoji Tatsui, a director in the labour-policy co-ordination division at the Japanese Trade Union Confederation, then companies should at least try to bring pay for part-timers who do similar jobs closer to that of their full-time counterparts.

ECONOMIST: Deflation is transforming Japan's annual pay rituals