SEIKO Hong Kong Ltd.

1964 Tokyo Olympics - First time serving as the official Olympic timekeeper - During the post‑war reconstruction and economic growth era, Seiko risked its corporate fortunes to take on the official timekeeping role. - Despite having no prior experience in sports timing, Seiko was officially appointed as the timekeeper through the development of pioneering stopwatches and other devices. With 1,278 pieces of equipment across 36 types and mobilizing 172 personnel, it supported the success of the Games. Seiko's technological prowess, such as compact quartz watches, was recognized worldwide, becoming a catalyst for expanding product sales on an international scale.

First official timing for the Olympics During the post-war reconstruction and economic growth era, Seiko took a gamble on its corporate fortunes and applied for official timing. Despite having no experience in sports timing at the time, Seiko was officially appointed as the official timekeeper through the development of groundbreaking stopwatches and other devices. With 1,278 pieces of equipment across 36 types and mobilizing 172 personnel, the company supported the success of the event. Seiko's technological prowess, such as miniature quartz watches, was recognized worldwide, becoming a catalyst for expanding product sales on a global scale as an international brand.

Established Hattori (H.K.) Ltd (now Seiko Hong Kong Ltd.) in Hong Kong. Subsequently, local subsidiaries were established in various parts of the world.

Established Hattori (H.K.) Ltd (now Seiko Hong Kong Ltd.) in Hong Kong. Subsequently, local subsidiaries were established in various countries worldwide.

1972 Sapporo Olympics - First Winter Olympics official timekeeping - Seiko began handling timing for winter sports such as skiing and skating after the Tokyo Games. - Even under harsh natural conditions like snow, ice, and cold, Seiko improved precision by miniaturizing, lightening, and adding cold resistance, and prepared for the Sapporo Games. In addition to at least two electrical timing systems, manual timing systems were also incorporated as backup, ensuring a comprehensive timing setup, and Seiko fulfilled its heavy responsibility as the official timekeeper for this Winter Games.

First official timing for the Winter Olympics After the Tokyo Games, Seiko began timing winter sports such as skiing and skating. To measure time accurately even under harsh conditions of snow, ice, and cold, Seiko refined its equipment through miniaturization, lightweighting, and cold resistance, and prepared for the Sapporo Games. With at least two electrical timing systems and two manual backup systems, Seiko established a comprehensive timing setup and fulfilled the responsibility of official timing at the Winter Games.

Seiko World Super Tennis (1978-1995)

Soccer World Cup (1978, 1982, 1986, 1990)

Seiko World Super Tennis (1978-1995)

NHK Cup International Figure Skating Competition (1979–present)

NHK Cup International Figure Skating Competition (1979-Present)

French Open Tennis (1980–1991)

French Open Tennis (1980-1991)

Tokyo International Marathon (1981–2006, renamed Tokyo Marathon from 2007)

Tokyo International Marathon (1981-2006, Tokyo Marathon from 2007)

Nagoya International Women's Marathon (1984–present)

Toray Pan Pacific Open Tennis Tournament (1984–present)

Nagoya International Women's Marathon (1984-Present)

Toray Pan Pacific Open Tennis Tournament (1984-Present)

Pan Pacific Swimming Championships (1985–present)

1985 Partnership Agreement with World Athletics - Beginning of a 30+ year history - Seiko entered into a partnership agreement with World Athletics in 1985 and has since timed over 180 World Athletics‑sanctioned events. The World Athletics Championships, the pinnacle of track and field, have been officially timed by Seiko for 16 consecutive championships since the second Rome edition in 1987. Through close collaboration with World Athletics, Seiko has captured unforgettable moments at numerous international competitions, responding to the trust of World Athletics, athletes, and spectators for over 30 years.

1985 Partnership Agreement with World Athletics The beginning of a history spanning over 30 years Seiko entered into a partnership agreement with World Athletics in 1985 and has timed more than 180 World Athletics-sanctioned events up to the present. The World Athletics Championships, the pinnacle of track and field, has been officially timed by Seiko for 16 consecutive championships since the second Rome Games in 1987. Through close collaboration with World Athletics, Seiko has captured memorable moments at numerous international competitions and has earned the trust of World Athletics, athletes, and spectators for over 30 years.

光波距離計（EDM）

世界陸上競技選手権大会（1987）

Slit Video, Ultrasonic Anemometer

1992 Barcelona Olympics - 28 years after the last Summer Olympics timekeeping - Through supporting timing for various international competitions, Seiko accumulated experience and achievements, and after 28 years since the 1964 Tokyo Games, it again took on the official timekeeping for the Summer Olympics. In this Games, Seiko introduced speaker‑built starting blocks and a comprehensive swimming system, and built an integrated sports operations system that managed measurement and results online, delivering instant results to spectators and viewers, contributing to the success of the Games.

Official timing for the Summer Olympics after 28 years Through supporting timing at various international competitions, Seiko accumulated experience and achievements, and after 28 years since the 1964 Tokyo Games, it again served as the official timekeeper for the Summer Olympics. At this event, Seiko introduced speaker-integrated starting blocks and a comprehensive swimming system, and built an integrated sports operations system that manages measurement and aggregation results online, delivering instant results to spectators and viewers and contributing to the success of the Games.

1994 Lillehammer Olympics - 22 years after the last Winter Olympics timekeeping - Seiko again served as the official timekeeper for the Winter Olympics for the first time since Sapporo, 22 years earlier. - Building on the 'Integrated Sports Operations System' introduced at the Barcelona Olympics, Seiko further evolved it and developed new equipment such as a dedicated control panel timer for easy and reliable operation, contributing to the success of the Games. Japan won five medals: a gold in Nordic combined and a silver in ski jumping.

Official timing for the Winter Olympics after 22 years We were responsible for the official timing of the Winter Olympics for the first time in 22 years since Sapporo. We further evolved the "Integrated Sports Management System" introduced at the Barcelona Olympics, and developed many new equipment such as timers with dedicated control panels to allow simple and reliable operation, contributing to the success of the event. Japan won 5 medals, including a gold medal in the Nordic combined team and a silver medal in the ski jumping team.

1997 World Athletics Athens - Promotion of new equipment for track and field - Seiko advanced the introduction of new equipment for track and field, and in 1994 introduced a new short‑distance finish‑line judging device with higher precision. In 1997, at the World Athletics Athens, it introduced colorized slit video to improve judging accuracy.

Promotion of new equipment for athletics We advanced the introduction of new equipment for athletics, and in 1994 introduced a new foul detection device for short-distance running that further improved accuracy. In the 1997 World Athletics Athens, we introduced colorized slit video, contributing to improved judging accuracy.

1998 Nagano Olympics - The first Olympics held in Japan in 26 years - We served as the official timekeeper for the Winter Olympics held in Japan for the first time since Sapporo, 26 years ago. - The event introduced a wide range of PC-based systems, such as a high-speed camera system for measuring jump distances, focusing not only on accurate measurement but also on how to present the data. Japan won a total of 10 medals, including gold medals in individual and team ski jumping and speed skating.

Official timing for the Olympics held in Japan after 26 years We were responsible for the official timing of the Winter Olympics held in Japan for the first time in 26 years since Sapporo. We widely introduced PC-based systems, such as a system that measures jump distances using high-speed cameras, focusing not only on accurate measurement but also on how to present the data. Japan won a total of 10 medals, including gold medals in individual and team ski jumping and speed skating.

Road transponder

2002 Salt Lake City Olympics - Served as the official timekeeper for three consecutive Winter Olympics - Our performance at the 1994 and 1998 Games earned us the responsibility to serve as the official timekeeper for three consecutive Winter Olympics. In cross-country and biathlon, we introduced the first use of transponders at the Olympics, providing instant pass-time data for each athlete via radio. In the men's ski combined, two athletes tied for silver medals based on judgments made through slit video.

Responsible for official timing at three consecutive Winter Olympics Our performance at the 1994 and 1998 Games was recognized, and we were entrusted with official timing for three consecutive Winter Olympics. In cross-country and biathlon, we introduced transponders for the first time at the Olympics, providing instant pass-time data for each athlete via radio, incorporating the latest technology. In men's ski distance combined, two athletes tied for silver medals through judging via slit video.

新型風向風速計

2007 Tokyo Marathon - Served as the official timer since the inaugural event - Seiko has continued to support both elite and amateur runners as the official timer for the Tokyo Marathon since its first edition in 2007. Additionally, by broadcasting messages from the Wako show window along the course, we unite runners, volunteers, and spectators to elevate the event.

Official timer since the first edition Seiko has continued to support the Tokyo Marathon as an official timer for both elite and amateur runners since the inaugural race in 2007. Additionally, by broadcasting messages from the Wako show window along the course, we unite not only runners but also many volunteers and spectators, energizing the event.

2009 World Athletics Berlin - Timed the world record in the men's 100m - Timed the world record in the men's 100m

Timed the men's 100m world record.

The Seiko Golden Grand Prix Athletics is a premier meet that gathers top athletes from around the world. With Seiko's name in the title, this meet is held as one of World Athletics' World Challenge Meetings, attracting some of the world's best competitors. It is also designated as a selection meet for Japan's national teams for international competitions such as the World Athletics Championships and the Summer Olympics. Seiko has supported the meet as a title sponsor and official timer since its predecessor, the Super Athletics. Since 2010, the Video Distance Measurement (VDM) system has been introduced, providing more accurate measurements for long jump and triple jump and reducing measurement time.

Contributed to the success of the meet with cutting‑edge timing systems. Since the second Rome meet in 1987, this event has been supported for 15 consecutive meets, providing advanced timing systems for track, field, and road events. In 2013, a full‑color LED field event board was introduced for high visibility, and a track‑side clock was installed at this meet, effectively displaying information throughout the venue and enhancing the event.

Supporting athletes' challenges

Contributed to the success of the first Middle Eastern World Athletics meet with advanced timing systems. Since the second Rome meet in 1987, this event has been supported for 16 consecutive meets, providing cutting‑edge timing systems for track, field, and road events. In 2013, a full‑color LED field event board was introduced for high visibility, and in 2017 a track‑side clock was added. At this meet, a sand‑pit event board displaying long jump and triple jump information was newly introduced, continually innovating the norms of athletics timing and enhancing the event.

The MS-series lithium secondary battery 'MS621R' is the world's first to support reflow soldering, and it has been released.

The AI-based predictive service 'LUiNa' has been released.

New athletes joined, and Team Seiko was reborn. Team Seiko delivers inspiration to people through sport and embodies Seiko's group purpose of creating a future where the world is filled with smiles.

The Seiko Museum was relocated to Ginza and opened as 'Seiko Museum Ginza'.

The world's first wristwatch with a new mechanism, Kodo (Heartbeat), has been released.

The Wako Main Building has been renovated as 'SEIKO HOUSE'.

Supported as the official sponsor for Japan's national team.

The company name has been changed to Seiko Group Co., Ltd.

The 'Grand Seiko Museum' has opened within the Seiko Museum Ginza.

With a cumulative participation of over 10,000 people, the next-generation development activity 'Jikui®' has been launched.

Even though this meet was the first time Japan hosted the event in 34 years, Seiko served as the official timer for 19 consecutive meets since the second Rome meet in 1987. At this meet, a Video Track Tracking (VTT) system was introduced for sprint events, tracking each athlete's movements with AI and measuring and displaying performance data such as lap times and speed in real time. Additionally, for the first time at a World Athletics‑hosted meet, a meet‑specific 'Final Lap Bell' was produced. The bell itself was made by the largest domestic manufacturer, Lousi Manufacturing in Takaoka City, Toyama Prefecture, and the rope used to ring it was made by Ryukobo, a company that preserves the Edo‑style rope tradition in Tokyo. This combined Japanese craftsmanship and aesthetic sensibility.