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
Chronograph
Date
-Instant Date Change
-Quick Date Correction
Day
-Bilingual Day Wheel
-Instant Day Change
-Quick Day Correction
GMT Hand
-Independently-Adjustable 12 Hour Hand
Hacking Seconds
Hands
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Day Window at 3:00
Brand
ETA
-ESA
-Valjoux
Seiko
-Suwa Seikosha
Winding
Battery
Hand winding
Regulators
Quartz
Stepper Motor
Production Periods
1960s
1970s
Frequency
16,384 Hz
18,000 A/h
28,800 A/h
32,768 Hz
8,192 Hz
Anti-Shock
Jewels
7
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
Back-Side Features
-Balance at 12:00
-Battery at 11:00
-Battery at 3:00
-Battery at 6:00
ESA 9200
Seiko 3502
Seiko 35A
Seiko 3800A
Seiko 3802A
Seiko 3803A
Seiko 3819A
Seiko 3820A
Seiko 3823A
Seiko 3862A
Seiko 3863A
Seiko 3882A
Seiko 3883A
Valjoux 34
Valjoux 35
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