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
Alarm
Chronograph
-2-Button
-Column Wheel Chronograph
--9-Column Chronograph
Date
-Quick Date Correction
Day
-Quick Day Correction
Month
-Quick Month Correction
Hands
12 Hour Chronograph Hand at 6:00
30 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Date Pointer
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Day Window at 11:30
Lépine Small Seconds Hand
Month Window at 12:30
Small Seconds Hand at 9:00
Brand
A. Schild
-Valjoux
Tianjin
-Sea-Gull
Winding
Hand winding
Two Barrel
Regulators
Indexed
Production Periods
1950s
1960s
1970s
2000s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 12:00
-Balance at 3:00
Column Wheel
-Column Wheel at 6:00
AS 1475
ST3600
Valjoux 726
Valjoux 730
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