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
About Grail Watch
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Complications
24 Hour Hand
Date
-Big Date
--Double Wheel Big Date
-Quick Date Correction
Day
-Outer Day Wheel
Day/Night Indicator
GMT Hand
-Independently-Adjustable 12 Hour Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Hand Winding
Modular
Moon Phase
Power Reserve Indicator
Hands
24 Hour Hand at 6:00
Big Date at 12:00
Big Date at 6:00
Central 24 Hour Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Day Window at 12:00
Day/Night Indicator Disc at 8:00
Hour Hand at 6:00
Minute Hand at 6:00
Moon Phase Wheel at 9:00
Open Heart at 6:00
Power Reserve Pointer at 12:00
Small Seconds Hand at 6:00
Brand
Soprod
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
Regulators
Soprod
Production Periods
2010s
2020s
Frequency
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Novodiac
Jewels
16
24
25
27
29
31
33
Balance Mount
Balance Cock
-Balance Cock Counter-Clockwise
Back-Side Features
Soprod C105
Soprod C110
Soprod C115
Soprod C120
Soprod C125
Soprod C130
Soprod C135
Soprod C140
Soprod C145
Soprod M100 Balancier Visible
Soprod M100 Date
Soprod M100 Squelette
Soprod M200 Date
Soprod M800 Date
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