Seiko Group stock gains 3.87 percent in Tokyo

Seiko Group stock (8050) gained 3.87 percent to JPY 10,200 on the Tokyo Stock Exchange on September 24, 2026. The move came as the watchmaker joined the FTSE All-World Index in September, according to MarketScreener.

Index inclusion broadens the story

The FTSE All-World addition gives Seiko Group a place in a widely followed global equity benchmark. For investors, the relevant change is the combination of a fresh index membership and a stock price that remains 14.43 percent below its 52-week high of JPY 11,920.

The companys market capitalization stood at JPY 833.766 billion on September 24, 2026. The same session produced a price range from JPY 3,125 to JPY 11,920 over the past 52 weeks, showing how sharply the stock has expanded its valuation footprint during the period.

FY2026 Q1 brings higher earnings

Seiko Group reported revenue of JPY 99.089 billion for FY2026 Q1, the quarter ended June 30, 2026. Operating income reached JPY 15.440 billion, while consolidated net income was JPY 11.197 billion, according to the companys Seiko Group Corporation investor relations page.

Basic earnings per share came to JPY 136.98 in FY2026 Q1. Compared with FY2025 Q4, revenue increased from JPY 81.570 billion to JPY 99.089 billion, a sequential gain of 21.48 percent, while operating income rose from JPY 1.913 billion to JPY 15.440 billion.

Stock remains below yearly high

Seiko Group stock stood at JPY 10,200 on the Tokyo Stock Exchange on September 24, 2026, after the 3.87 percent daily increase. The current price is 14.43 percent below the 52-week high, leaving the latest earnings figures and index inclusion as the two clearest reference points for the companys market valuation.