Grail Watch Reference

A Reference Library for Watches from Grail Watch

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Daini Seikosha ("the Second Seikosha") was founded in 1937 as a watch production operation for Seikosha K. Hattori & Co, Ltd., forerunner of today's Seiko. Daini became Seiko Instruments & Electronics in 1985. After becoming part of Seiko Holdings in 2009, the high-end watchmaking operation of Seiko Instruments became known as Shizukuishi Watch Studio, maker of Grand Seiko, Credor, and high-end watches and movements.

Movement Families

Daini Seikosha was responsible for the following movement families:

  • Seiko 4400
  • Seiko 4500
  • Seiko 5100
  • Seiko 5200
  • Seiko 6800
  • Seiko 7000

See Also

  • Seiko
  • 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 4S Family

Seiko 68 Family

Seiko 3600

Seiko 3602A

Seiko 4500

Seiko 4502

Seiko 4520

Seiko 4522

Seiko 4580

Seiko 5206

Seiko 5216

Seiko 5245

Seiko 5246

Seiko 5256