Grail Watch Reference
A Reference Library for Watches from Grail Watch
Movement Database
Grail Watch Blog
The Watch Files Podcast
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
Hacking Seconds
Moon Phase
Hands
Central Hour Hand
Central Minute Hand
Date Window at 6:00
Moon Phase Wheel at 12:00
Small Seconds Hand at 6:00
Small Seconds Hand at 7:30
Brand
Bulgari
Parmigiani Fleurier
Winding
Automatic
-Micro-Rotor Automatic Winding
-Uni-Directional Automatic Winding
Regulators
Mobile Stud
Variable Inertia Blocks
Production Periods
2010s
2020s
Frequency
21,600 A/h
Anti-Shock
Jewels
29
31
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Micro Rotor
BVL 138
PF701
PF707
PF708
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