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
Alarm
Chronograph
-2-Button
-Column Wheel Chronograph
--6-Column Chronograph
--7-Column Chronograph
--9-Column Chronograph
-Flyback Chronograph
-Monopusher Chronograph
Date
-Quick Date Correction
Day
-Quick Day Correction
Hacking Seconds
Hand Winding
Hands
12 Hour Chronograph Hand at 6:00
30 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Alarm Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Day Window at 3:00
Lépine Small Seconds Hand
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
A. Schild
-Valjoux
Seiko
Tianjin
-Sea-Gull
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
Hand winding
Regulators
Indexed
Production Periods
1910s
1920s
1930s
1940s
1950s
1960s
1970s
1990s
2000s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
31
35
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 12:00
-Balance at 3:00
-Balance at 5:00
Column Wheel
-Column Wheel at 6:00
AS 5008
Seiko 9S27
ST3600
ST3621
Valjoux 23 VZ
Valjoux 3
Valjoux 6 KF
Valjoux 72 VZH
Valjoux 77 ECO
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