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
-Cam Switching Chronograph
Date
-Quick Date Correction
Day
-Quick Day Correction
Hacking Seconds
Hand Winding
Moon Phase
Hands
12 Hour Chronograph Hand at 6:00
30 Minute Chronograph Hand at 12:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Date Window at 3:00
Day Window at 3:00
Moon Phase Wheel at 6:00
Small Seconds Hand at 9:00
Brand
ETA
-Valjoux
Winding
Hand winding
Regulators
Production Periods
1980s
1990s
2000s
Frequency
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
ETA 7760
ETA 7768
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