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
Power Reserve Indicator
Hands
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Brand
Blancpain
Frédéric Piguet
Winding
Automatic
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Counter-Clockwise Automatic Winding
Hand winding
Regulators
Production Periods
2010s
2020s
Frequency
21,600 A/h
Anti-Shock
Jewels
21
28
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 4:30
BP 11A4B
FP 1153
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