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
Chronograph
-2-Button
-Column Wheel Chronograph
--8-Column Chronograph
Date
-Quick Date Correction
Day
Month
-Quick Month Correction
Moon Phase
Hands
Day Window at 10:30
Brand
Universal
Winding
Hand winding
Regulators
Production Periods
1950s
Frequency
18,000 A/h
Anti-Shock
Jewels
17
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 12:30
Column Wheel
-Column Wheel at 6:00
Universal 281 Tri-Compax
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