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Overview

Precision Instruments

SEIKO GROUP CORPORATION

Seiko Group Corporation is a diversified Japanese conglomerate operating across three core segments: Emotional Value Solutions (watches, clocks, and luxury retail under brands including Grand Seiko, Seiko Prospex, King Seiko, and Wako), Device Solutions (electronic components and devices manufactured and sold through Seiko Instruments), and System Solutions (IT performance management, IoT, and payment-related products and services via Seiko Solutions). The Group operates as a holding company, managing each business unit as a distinct subsidiary while leveraging its precision technology heritage across segments. Its competitive strengths lie in globally recognized watch brands, vertically integrated manufacturing capabilities, and a growing solutions business targeting healthcare, agriculture, and enterprise IT markets.

Market Cap

¥807B

US$5.15B

¥816B

US$5.20B

Stock¥9,870▲+0.71%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

15.6

LTM EV/EBIT

21.3

LTM PER

30.1

LTM PBR

4.2

Stock vs TOPIX (1Y, base=100)vs TOPIX ▲+158.3%pt

Oct 24, 25 – Oct 23, 26StockTOPIX

1Feb 12, 26Q3 results: sales +9.3%, op.profit +39.2%, FY guidance raised

2Feb 13, 26Q3 earnings rally cont.: sales +9.3%, op.profit +39.2%

3Feb 25, 26Post-Q3 buying: op.profit +39.2%, net profit +58.8%

4Apr 8, 26Market-wide: sharp rebound on Trump 90-day tariff pause announcement

5Aug 10, 26Q1 FY2027/03 earnings announced

MC → EV Bridge

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Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

62%

38%

EquityD/E 0.60xDebt

Liquidity vs Debt 5Y (¥B)▼ Net Debt

CashInv. Sec.Debt

Shareholders

Top 10 hold 51.5%

as of 2026-03-31 · Source: Annual Securities Report

Sanko Kigyo Co., Ltd.

10.70%

The Master Trust Bank of Japan, Ltd. (Trust Account)

9.10%

Etsuko HATTORI

8.70%

Shinji HATTORI

5.50%

Hideo HATTORI

3.90%

The Dai-ichi Life Insurance Company, Limited

3.50%

Custody Bank of Japan, Ltd. (Trust Account)

3.30%

THE CHASE MANHATTAN BANK, N.A. LONDONSECS LENDING OMNIBUS ACCOUNT (Standing Proxy: Mizuho Bank, Ltd.)

2.50%

J.P. MORGAN BANK LUXEMBOURG S.A. 384513 (Standing Proxy: Mizuho Bank, Ltd.)

2.40%

STATE STREET BANK AND TRUST COMPANY 505223 (Standing Proxy: Mizuho Bank, Ltd.)

1.90%

Management

14 officers

Shinji HATTORI

Representative Director, Chairman, Group CEO and Group CCO

Apr 1975 Joined Mitsubishi Corporation Jul 1984 Joined Seikosha Co., Ltd. Jan 1996 Director, Seiko Precision Inc. Jun 2001 President and Representative Director, Seiko Precision Inc. Jun 2003 President and Representative Director, Seiko Watch Corporation Jun 2007 Director, Seiko Group Corporation Jun 2009 Representative Director, Executive Vice President, Seiko Group Corporation Apr 2010 Representative Director, President, Seiko Group Corporation Oct 2012 Representative Director, Chairman and Group CEO, Seiko Group Corporation Jun 2015 President, CEO and Representative Director, Seiko Watch Corporation Apr 2017 Chairman, CEO and Representative Director, Seiko Watch Corporation Jun 2020 Chairman and Director, Wako Co., Ltd. (current) Jun 2020 Representative Director, Chairman, Group CEO and Group CCO, Seiko Group Corporation (current) Apr 2021 Chairman and Director, Seiko Watch Corporation Oct 2025 Chairman, Representative Director, CEO and CCO, Seiko Watch Corporation (current)

1953-01-01

Shuji TAKAHASHI

Representative Director, President

Apr 1980 Joined Seiko Group Corporation Feb 2011 Executive Officer, Seiko Watch Corporation Jun 2012 Director and Executive Officer, Seiko Watch Corporation Jun 2013 Director, Seiko Group Corporation Apr 2014 Director and Managing Executive Officer, Seiko Watch Corporation Jun 2015 Director and Senior Managing Executive Officer, Seiko Watch Corporation Jun 2016 Managing Director, Seiko Group Corporation Apr 2017 Director, Seiko Group Corporation Apr 2017 President, COO and CMO, Representative Director, Seiko Watch Corporation Jun 2021 President and Representative Director, Seiko Group Corporation (current)

1957-08-29

Jun SEKINE

Director, Vice President and Executive Officer

Apr 1984 Joined IBM Japan, Ltd. Apr 1998 General Manager, Insurance Sales Division, IBM Japan, Ltd. Jun 2002 General Manager, Insurance Business Division, IBM Japan, Ltd. Jan 2006 Executive Officer, IBM Japan, Ltd. Jul 2012 President and Director, Esco Japan Co., Ltd. Jan 2013 Vice President, Strategic Sales Head, SAP Japan Co., Ltd. Jul 2015 Vice President, Chief Customer Officer, SAP Japan Co., Ltd. Dec 2015 Vice President and Director, Seiko Solutions Inc. Apr 2017 President and Representative Director, Seiko Solutions Inc. (current) Jun 2021 Director, Seiko Group Corporation Jun 2022 Director and Senior Managing Executive Officer, Seiko Group Corporation Jun 2026 Director, Vice President and Executive Officer, Seiko Group Corporation (current)

1959-10-01

Akio NAITO

Director, Senior Managing Executive Officer

Apr 1984 Joined Seiko Group Corporation Jan 2002 President and Director, SEIKO Australia Pty. Ltd. Apr 2006 General Manager, Legal Department, Seiko Group Corporation Jun 2011 Director, Seiko Group Corporation Jun 2013 Managing Director, Seiko Group Corporation Jun 2016 Director, Seiko Group Corporation Jun 2016 Director and Senior Managing Executive Officer, Seiko Watch Corporation Oct 2018 Chairman and CEO, Director, Grand Seiko Corporation of America Dec 2019 Director and Vice President Executive Officer, Seiko Watch Corporation Apr 2021 President and Representative Director, Seiko Watch Corporation (current) Jun 2022 Director, Senior Managing Executive Officer, Seiko Group Corporation (current)

1960-11-09

Taku YONEYAMA

Director, Senior Managing Executive Officer

Apr 1986 Joined Seiko Group Corporation May 2011 General Manager, Corporate Planning Department, Seiko Group Corporation Feb 2015 Executive Officer, Seiko Watch Corporation Jun 2015 Director and Executive Officer, Seiko Watch Corporation Apr 2017 Director and Managing Executive Officer, Seiko Watch Corporation Apr 2020 Director and Senior Managing Executive Officer, Seiko Watch Corporation Apr 2023 Managing Executive Officer, Seiko Group Corporation Apr 2023 General Manager, Corporate Management Division, Seiko Group Corporation (current) Jun 2023 Director and Managing Executive Officer, Seiko Group Corporation Jan 2024 Outside Audit & Supervisory Board Member, Ohara Inc. (current) Nov 2024 Representative Director, Vice President, Seiko Instruments Inc. (current) Apr 2026 Director, Senior Managing Executive Officer, Seiko Group Corporation (current)

1962-11-15

Yoichi ENDO

Director, Managing Executive Officer

Apr 1984 Joined Sanwa Koki Co., Ltd. Jan 1986 Joined Seiko Denshi Kogyo Co., Ltd. (now Seiko Instruments Inc.) Oct 2004 General Manager, Semiconductor Design Department 1, Network Component Business Unit, Seiko Instruments Inc. Mar 2007 General Manager, Semiconductor Design Division, Network Component Business Unit, Seiko Instruments Inc. Feb 2020 Director, Seiko NPC Corporation Apr 2020 Director and Managing Executive Officer, Seiko NPC Corporation Jun 2020 President and Representative Director, Seiko NPC Corporation Apr 2024 Managing Executive Officer, Seiko Group Corporation Apr 2024 President and Representative Director, Seiko Instruments Inc. (current) Jun 2024 Director and Managing Executive Officer, Seiko Group Corporation (current)

1961-12-02

Takashi NISHIMOTO

Full-time Audit & Supervisory Board Member

Apr 1985 Joined Seiko Group Corporation Jun 2009 General Manager, General Affairs Department, Seiko Group Corporation Oct 2012 General Manager, Legal Department, Seiko Group Corporation Jan 2015 Executive Officer, Seiko Solutions Inc. Jun 2015 Director and Executive Officer, Seiko Solutions Inc. Apr 2019 Director and Managing Executive Officer, Seiko Solutions Inc. Jun 2020 Full-time Audit & Supervisory Board Member, Seiko Group Corporation (current)

1962-09-09

Sei NAKAO

Full-time Audit & Supervisory Board Member

Apr 1986 Joined Seiko Group Corporation Oct 2010 General Manager, Accounting and Finance Department, Administration Division, Seiko Watch Corporation Jun 2013 General Manager, Business Management Department, Corporate Management Division, Seiko Watch Corporation Jul 2015 Seconded to SEIKO Hong Kong Ltd. Apr 2019 General Manager, Internal Audit Office, Seiko Group Corporation Jun 2022 Full-time Audit & Supervisory Board Member, Seiko Solutions Inc. Jun 2023 Executive Officer, Seiko Instruments Inc. Jun 2024 Full-time Audit & Supervisory Board Member, Seiko Group Corporation (current)

1962-01-21

Noboru SAITO

Outside Director

Apr 1986 Joined Burroughs K.K. (now BIPROGY Inc.) Apr 2004 General Manager, Industry & Distribution Division II, BIPROGY Inc. Apr 2009 General Manager, Distribution Division, BIPROGY Inc. Apr 2010 General Manager, Distribution Division II, BIPROGY Inc. Apr 2012 General Manager, Business Services Division, BIPROGY Inc. Apr 2013 Executive Officer, BIPROGY Inc. Apr 2016 Managing Executive Officer, BIPROGY Inc. Jun 2016 Director and Managing Executive Officer, BIPROGY Inc. Apr 2020 Representative Director, Senior Managing Executive Officer, BIPROGY Inc. Jun 2022 Outside Director, Seiko Group Corporation (current) Apr 2024 President and Representative Director, BIPROGY Inc. (current)

1961-08-08

Hideki KOBORI

Outside Director

Apr 1978 Joined Asahi Chemical Industry Co., Ltd. (now Asahi Kasei Corporation) Jul 2004 General Manager, Planning and Administration Department, Asahi Kasei Electronics Co., Ltd. Apr 2007 Head, Electronic Components Marketing & Sales Center, Asahi Kasei Electronics Co., Ltd. Apr 2008 Director and Managing Executive Officer, Asahi Kasei Electronics Co., Ltd. Apr 2009 Director and Senior Managing Executive Officer, Asahi Kasei Electronics Co., Ltd. Apr 2010 President and Representative Director, Asahi Kasei Electronics Co., Ltd. Jun 2012 Director and Managing Executive Officer, Asahi Kasei Corporation Apr 2014 Representative Director and Senior Managing Executive Officer, Asahi Kasei Corporation Apr 2016 President and Representative Director, Asahi Kasei Corporation Apr 2022 Chairman and Representative Director, Asahi Kasei Corporation Apr 2023 Chairman and Director, Asahi Kasei Corporation (current) Jun 2023 Outside Director, Nomura Research Institute, Ltd. (current) Jun 2023 Outside Director, Seiko Group Corporation (current) Jun 2026 Outside Director, Mitsui Sumitomo Trust Group, Inc. (current)

1955-02-02

Shiho URUSHI

Outside Director

Apr 1986 Teacher, a private girls' secondary school in Tokyo Apr 1989 Staff, Shinagawa Joshi Gakuin Educational Foundation Apr 2006 Principal, Shinagawa Joshi Gakuin Educational Foundation Apr 2017 Chairperson, Shinagawa Joshi Gakuin Educational Foundation (current) Apr 2017 Principal, Junior High School Division, Shinagawa Joshi Gakuin Educational Foundation Apr 2018 Outside Director, Culture Convenience Club Co., Ltd. (current) Jun 2021 Outside Audit & Supervisory Board Member, Tokio Marine & Nichido Fire Insurance Co., Ltd. (current) Jun 2021 Member, Administrative Reform Promotion Council (current) Jun 2024 Outside Director, Seiko Group Corporation (current)

1961-04-04

Hideki AMANO

Outside Audit & Supervisory Board Member

Apr 1976 Joined Arthur Andersen (now Azsa LLC) Sep 1980 Registered Certified Public Accountant Sep 1992 Partner, Inoue Saito Eiwa & Co. (now Azsa LLC) Sep 2011 Vice Chairman (Audit), Azsa LLC Jul 2015 Executive Senior Partner, Azsa LLC (retired Jun 2016) Jun 2019 Outside Audit & Supervisory Board Member, Seiko Group Corporation (current) Jun 2022 Outside Audit & Supervisory Board Member, Mizuho Leasing Co., Ltd. (current) Jun 2026 Outside Director (Audit and Supervisory Committee Member), Nidec Corporation (current)

1953-11-26

Masatoshi YANO

Outside Audit & Supervisory Board Member

Apr 1980 Joined The Dai-Ichi Kangyo Bank, Ltd. (now Mizuho Bank, Ltd.) Apr 2007 Executive Officer and Head Office Branch Manager, Mizuho Bank, Ltd. Apr 2009 Managing Executive Officer, Mizuho Bank, Ltd. Apr 2011 Deputy President and Director, Mizuho Bank, Ltd. (retired Mar 2013) Jun 2015 President and Representative Director, Chuo Fudosan Co., Ltd. (now Chuo Nippon Tochi Tatemono Co., Ltd.) (retired Jun 2018) Jun 2018 President and Representative Director, Seiwa Sogo Tatemono Co., Ltd. (retired Jun 2023) Jun 2019 Outside Audit & Supervisory Board Member, Seiko Group Corporation (current) Jun 2023 Outside Audit & Supervisory Board Member, Furukawa Co., Ltd. (current)

1956-08-03

Kenji SAKURAI

Outside Audit & Supervisory Board Member

Apr 1982 Joined The Dai-ichi Life Insurance Company, Limited Apr 2008 Executive Officer, The Dai-ichi Life Insurance Company, Limited Apr 2011 Managing Executive Officer, The Dai-ichi Life Insurance Company, Limited Jun 2014 Director and Managing Executive Officer, The Dai-ichi Life Insurance Company, Limited Apr 2015 Director and Senior Managing Executive Officer, The Dai-ichi Life Insurance Company, Limited Oct 2016 Senior Managing Executive Officer, Dai-ichi Life Holdings, Inc. Oct 2016 Representative Director and Senior Managing Executive Officer, The Dai-ichi Life Insurance Company, Limited Apr 2017 Executive Vice President, Dai-ichi Life Holdings, Inc. Apr 2017 Representative Director and Executive Vice President, The Dai-ichi Life Insurance Company, Limited (retired Mar 2020) Apr 2021 Director, Dai-ichi Life Holdings, Inc. (retired Jun 2021) Jun 2021 President and Representative Director, Daiichi Building Co., Ltd. (retired Mar 2026) Jun 2022 Outside Audit & Supervisory Board Member, Seiko Group Corporation (current)

1959-08-17

Large Shareholding Reports

J.P. Morgan Asset Management (Japan) Limited

2026-03-04

4.58%→5.48%

J.P. Morgan Asset Management (Japan) Limited

2025-12-03

4.58%

J.P. Morgan Asset Management (Japan) Limited

2025-09-18

5.26%→4.48%

Disclosures

No disclosures

Primary Source Filings

TDnet

2026-08-07

Q1 Earnings Flash

FY ending Mar 2027

SEIKO GROUP CORPORATION

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SEIKO GROUP CORPORATION

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