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
--9-Column Chronograph
Hands
12 Hour Chronograph Hand at 6:00
30 Minute Chronograph Hand at 3:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Date Pointer
Central Hour Hand
Central Minute Hand
Date Window at 4:30
Date Window at 6:00
Day Window at 11:30
Month Window at 12:30
Moon Phase Wheel at 6:00
Small Seconds Hand at 9:00
Brand
-Valjoux
Winding
Hand winding
Regulators
Indexed
Production Periods
1910s
1920s
1930s
1940s
1950s
1960s
1970s
Frequency
18,000 A/h
21,600 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
13
17
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 12:00
-Balance at 12:30
Column Wheel
-Column Wheel at 6:00
-Column Wheel at 6:30
Valjoux 22
Valjoux 23 VZ
Valjoux 230
Valjoux 234
Valjoux 235
Valjoux 236
Valjoux 237
Valjoux 23C
Valjoux 71 GHH
Valjoux 72 VZH
Valjoux 720
Valjoux 724
Valjoux 725
Valjoux 726
Valjoux 729
Valjoux 72c VZHC
Valjoux 730
Valjoux 88 VZHCL
Valjoux 886
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