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
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Soprod C105

Soprod C110

Soprod C115

Soprod C120

Soprod C125

Soprod C130

Soprod C135

Soprod C140

Soprod C145

Soprod M100 Balancier Visible

Soprod M100 Date

Soprod M100 Squelette

Soprod M200 Date

Soprod M800 Date