Grail Watch Reference

A Reference Library for Watches from Grail Watch

  • Movement Database
  • Grail Watch Blog
  • The Watch Files Podcast
  • Reference Documents
    • 1979 Citizen Movement Table
    • Seiko Blue Book Automatic Movement Chronology
    • Seiko Laurel Brochure
    • Seiko List of Basic and Derivative Calibres
  • About Grail Watch
  • Email
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Suwa Seikosha 35 Quartz Stream

Beta 21

Seiko 3502

Seiko 35A

Seiko 4500

Seiko 4522

Seiko 5206