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
Chronograph
-2-Button
-Cam Switching Chronograph
Date
-Date by Pointer
-Quick Date Correction
-Semi-Instantaneous Date Change
Day
GMT Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Month
Moon Phase
Power Reserve Indicator
Hands
12 Hour Chronograph Hand at 6:00
24 Hour Hand at 9:00
30 Minute Chronograph Hand at 12:00
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
Central Seconds Hand
Date Window at 3:00
Date Window at 4:30
Day Window at 11:30
Day Window at 3:00
Month Window at 12:30
Moon Phase Wheel at 6:00
Power Reserve Pointer at 6:00
Small Seconds Hand at 9:00
Brand
ETA
-Valgranges
-Valjoux
Winding
Automatic
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Regulators
ETACHRON
Production Periods
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
24
25
27
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
ETA 7750
ETA 7751
ETA 7753
ETA 7754
Valgranges A07.111
Valgranges A07.161
Valgranges A07.171
Valgranges A07.211
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