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
Alarm
Hands
Central 24 Hour Hand
Central Alarm Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Date Window at 4:30
Day Window at 3:00
Hour Hand at 3:00
Minute Hand at 3:00
Power Reserve Pointer at 12:00
Power Reserve Pointer at 9:30
Small Seconds Hand at 6:00
Brand
A. Schild
Blancpain
Frédéric Piguet
Winding
Automatic
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
Indexed
Production Periods
1950s
1960s
1970s
1990s
2000s
2010s
Frequency
18,000 A/h
28,800 A/h
Anti-Shock
Jewels
17
31
38
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
-Balance at 3:00
AS 1475
AS 5008
FP 1241
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