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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Complications
Date
-Quick Date Correction
Day
-Quick Day Correction
Hacking Seconds
Hands
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Day Window at 3:00
Brand
ETA
-ESA
Winding
Battery
Regulators
Tuning Fork
Production Periods
1960s
1970s
Frequency
300 Hz
Anti-Shock
Jewels
12
Balance Mount
Back-Side Features
-Battery at 3:00
Tuning Fork
-Tuning Fork at 11:00
ESA 9162
ESA 9164
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