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
-Instant Date Change
-Quick Date Correction
Hacking Seconds
Hands
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Brand
Oris
Winding
Automatic
-Uni-Directional Automatic Winding
Two Barrel
Regulators
Geared mobile stud
Production Periods
2020s
Frequency
28,800 A/h
Anti-Shock
Jewels
21
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
-Balance at 7:00
Oris 400
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