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
24 Hour Hand
Chronograph
-2-Button
-Column Wheel Chronograph
--5-Column Chronograph
Date
-Date by Pointer
-Retrograde Date
Day/Night Indicator
GMT Hand
-Independently-Adjustable 12 Hour Hand
Hands
Minute Hand at 12:00
Brand
Agenhor
Parmigiani Fleurier
Venus
Winding
Automatic
-Central Rotor Automatic Winding
Hand winding
Two Barrel
Regulators
Production Periods
1930s
1940s
2010s
2020s
Frequency
28,800 A/h
Anti-Shock
Jewels
28
38
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 8:00
PF317
PF337
Venus 140
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