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Seiko Holdings (formerly known as K. Hattori & Co, Ltd) is a holding company responsible for many watch brands, including Seiko, Grand Seiko, and Credor. Hattori became known as Seiko in 1990 and has become a holding company for the various separate companies in 2007. The company includes the former Daini Seikosha and Suwa Seikosha as well as the current Shizukuishi Watch Studio and Orient.

Seiko began in 1881 when Kintarō Hattori opened the K. Hattori watch and jewelry shop in Ginza, Tokyo, Japan. In 1882, Hattori founded a clock manufacturing operation known as Seikosha, which became K. Hattori & Co, Ltd. in 1917.

Watch production operations were split to become Daini Seikosha in 1937, and this company continued until 2009. Seiko established a joint venture with Daiwa Kogyo in Suwa, Nagano in 1943, which would become Daini Seikosha in 1959. Daini and Suwa operated semi-independently and indeed competitively through the "golden age" of Japanese watchmaking, establishing the Marvel, Lord Marvel, Grand Seiko, and King Seiko lines.

Morioka Seiko Instruments, founded in 1970, began producing watch movements two years later. It was brought together with Daini Seikosha to become Seiko Instruments & Electronics in 1983 and was brought into Seiko Holdings in 2009. Domestic watchmaking was brought to Morioka, Iwate in 1999 and a high-end watchmaking operation, Shizukuishi Watch Studio, was founded in 2004. Today, Shizukuishi is responsible for Grand Seiko and Credor.

Seiko's electronics business, Epson Corporation, was merged with Suwa in 1985 to become Seiko Epson Corporation, which focuses on mass-market quartz watches under Seiko Holdings and also operates the Orient watch company today.

See Also:

  • Daini Seikosha
  • Suwa Seikosha
  • Shizukuishi Watch Studio

Daini Seikosha 36 Quartz Stream

Daini Seikosha 39 Quartz Stream

Daini Seikosha 43 Qartz Stream

Daini Seikosha 45 Stream

Daini Seikosha 51 Stream

Daini Seikosha 52 Stream

Seiko 4L/6L Family

Seiko 4R Family

Seiko 4S Family

Seiko 68 Family

Seiko 6R Family

Seiko 6S Family

Seiko 7S Family

Seiko 8R Family

Seiko 9S5x Family

Seiko 9S6x Family

Seiko 9S8x Hi-Beat Family

Seiko 9SA Family

Suwa Seikosha 03 Quartz Stream

Suwa Seikosha 35 Quartz Stream

Suwa Seikosha 38 Quartz Stream

Suwa Seikosha 41 Quartz Stream

Suwa Seikosha 56 Stream

Suwa Seikosha 61 Stream

Seiko 2L75

Seiko 3502

Seiko 35A

Seiko 3600

Seiko 3602A

Seiko 3800A

Seiko 3802A

Seiko 3803A

Seiko 3819A

Seiko 3820A

Seiko 3823A

Seiko 3862A

Seiko 3863A

Seiko 3870A

Seiko 3882A

Seiko 3883A

Seiko 4500

Seiko 4502

Seiko 4520

Seiko 4522

Seiko 4580

Seiko 4L25

Seiko 4L75

Seiko 4R15

Seiko 4R16

Seiko 4R35

Seiko 4R36

Seiko 4R37

Seiko 4R38

Seiko 4R39

Seiko 4R57

Seiko 4R71

Seiko 4S12

Seiko 4S15

Seiko 4S24

Seiko 4S25

Seiko 4S27

Seiko 4S28

Seiko 4S29

Seiko 4S35

Seiko 4S36

Seiko 4S71

Seiko 4S76

Seiko 4S77

Seiko 4S79

Seiko 5206

Seiko 5216

Seiko 5245

Seiko 5246

Seiko 5256

Seiko 6810

Seiko 6830

Seiko 6870

Seiko 6890

Seiko 6898

Seiko 6899

Seiko 6L35

Seiko 6L75

Seiko 6R15

Seiko 6R20

Seiko 6R21

Seiko 6R24

Seiko 6R27

Seiko 6R35

Seiko 7S25

Seiko 7S26

Seiko 7S35

Seiko 7S36

Seiko 8L21

Seiko 8L34

Seiko 8L35

Seiko 8L36

Seiko 8L38

Seiko 8L55

Seiko 8L75

Seiko 8L88

Seiko 8R48

Seiko 9S25

Seiko 9S27

Seiko 9S55

Seiko 9S61

Seiko 9S63

Seiko 9S64

Seiko 9S65

Seiko 9S66

Seiko 9S67

Seiko 9S68

Seiko 9S85

Seiko 9S86

Seiko 9SA5