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
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Complications
Hands
Brand
Winding
Regulators
Screwed Mobile Stud
Production Periods
Frequency
Anti-Shock
Jewels
Balance Mount
Back-Side Features
AP 2385
AP 2885
AP 2889
AP 3090
AP 3092
AP 3126
DUW 4101
DUW 4301
DUW 4401
DUW 5001
DUW 5101
DUW 5201
Nomos Alpha
Nomos Alpha.2
Nomos Epsilon
Nomos Zeta
ST1612
