Grail Watch Reference

A Reference Library for Watches from Grail Watch

  • Movement Database
  • Grail Watch Blog
  • 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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Magic Lever is the trademark name for a novel bi-directional winding system from Seiko. First appearing in the Gyro Matic in 1959, the Magic Lever consists of two arms that alternately push or pull a gear using opposing pawls. It is found on many classic and modern Seiko automatic movements.


Seiko 7S25

Seiko 7S26

Seiko 7S36

Seiko 8L21

Seiko 8L35

Seiko 8L36

Seiko 8L38

Seiko 8L75