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
Chronograph
-2-Button
-Cam Switching Chronograph
-Column Wheel Chronograph
–7-Column Chronograph
–8-Column Chronograph
Hands
45 Minute Chronograph Hand at 3:00
Brand
-Valjoux
Universal
Venus
Winding
Hand winding
Regulators
Production Periods
1930s
1940s
1950s
1960s
1970s
Frequency
18000
Anti-Shock
Incabloc Double-Cone
Jewels
17
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:30
Column Wheel
-Column Wheel at 5:00
-Column Wheel at 6:00
Universal 281 Uni-Compax
Valjoux 7730
Valjoux 7733
Valjoux 92
Venus 150
Venus 175
