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With the pride inherited from our pioneering masters,
we remain committed to watchmaking innovation.

Our studio was founded in 2004. However, to understand the various types of manual work that is currently taking place here, let’s first look back at its origins over one hundred years ago. The first domestically produced Japanese watch, Laurel, came out in 1913. Then, in 1960, Grand Seiko came on the scene, the ultimate in practical, mechanical watches. However, what really gives us most pride, even now, is our craftsmen, who continue to take on the impossible. Inheriting our forefathers’ techniques, or what we might even call “secret arts,” we have further refined these skills and will pass them down to succeeding generations.

1892

Seikosha was established.

1913

Laurel with 12 ligne movement, Japan’s first watch (Designated as a Mechanical Engineering Heritage in 2014.)

Laurel with 12 ligne movement

1937

Sikosha divided its watch section to establish Daini Seikosha Co., Ltd. (presently SII).

Daini Seikosha Co.

1958

Cronos Caliber 54 series, the foundation of the original watch movement design of Daini Seikosha Co., Ltd.

Cronos Caliber 54 series

1960

Gold Feather with 12 ligne movement, Caliber 60 The world’s thinnest center second hand watch.

Gold Feather with 12 ligne movement, Caliber 60

1964

Caliber 89 stopwatch
Selected as the offi cial timer of the Tokyo Olympic Games.

Caliber 89 stopwatch

1967

Won the 2nd of Series Prize in the company prize category at the Observatoire Cantonal de Neuchatel competition in Switzerland.

Caliber 052

1967

Grand Seiko Caliber 44 series, the first Grand Seiko of Daini Seikosha Co., Ltd.

Grand Seiko Caliber 44 series

1967

Caliber 19 Hi-beat 36000, the world’s first 10-beat (36,000 bph) watch for women.

Caliber 19 Hi-beat 36000, the world’s first 10-beat (36,000 bph) watch for women.

1968

Launched the Observatoire Cantonal de Neuchatel test memorial model. Accuracy: ± 2 sec/day

The Observatoire Cantonal de Neuchatel test memorial model

1970

Morioka Seiko Instruments Inc. was established.

1973

Suspended the development of exclusive mechanical watches due to focusing efforts on quartz watches.

1988

Resumed the development of exclusive mechanical watches which had been suspended for 15 years.

1991

Launched the Seiko 110th anniversary model mounted with the reproduction of the ultrathin mechanical movement Caliber 6810.

he Seiko 110th anniversary model

1992

Launched the re-creation of the Caliber 52 mounted with the Caliber 4S35.

Caliber 4S35

1998

Credor Caliber 6S74
Accuracy: -10 to +15 seconds/day
35 jewels, 28,800 vibrations per hour

CREDOR Caliber 6S74

1998

Grand Seiko Caliber 9S55
Accuracy: -3 to +5 seconds/day
26 jewels, 28,800 vibrations per hour

Grand Seiko Caliber 9S55

2004

Shizukuishi watch studio was established.

Shizukuishi Watch Studio

2006

Grand Seiko Caliber 9S67
Seiko Instruments Inc. developed the original mainspring SPRON 510 that demonstrated a lower degree of deterioration even after long-term use.It enabled expansion of the power reserve to more than 72 hours.

Grand Seiko Caliber 9S67

2008

Launched Credor Juri Tenga
mounted with a mechanical
12-beat movement.

Credor Juri Tenga

2009

Grand Seiko Caliber 9S85
More than 55 hours power reserve as 10-beat movement was realized via a newly developed balance spring, mainspring and MEMS escapement parts.

Grand Seiko Caliber 9S85

2014

Grand Seiko Caliber 9S86
Won the Petite Aiguille prize at the 2014 Grand Prix d’Horlogerie de Genève, for the fi rst time as a Japanese mechanical watch.

Grand Seiko Caliber 9S86

2016

FUGAKU Caliber 6830
Seiko’s first tourbillion watch.
It exhibits remarkable Japanese handicraft.

FUGAKU Caliber 6830