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
Chronograph
-2-Button
-Column Wheel Chronograph
--5-Column Chronograph
Hands
45 Minute Chronograph Hand at 6:00
Brand
Venus
Winding
Hand winding
Regulators
Production Periods
1930s
1940s
Frequency
Anti-Shock
Jewels
Balance Mount
Balance Cock
-Balance Cock Counter-Clockwise
Back-Side Features
Venus 140
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