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
-Cam Switching Chronograph
-Column Wheel Chronograph
--6-Column Chronograph
--8-Column Chronograph
-Monopusher Chronograph
-Split Seconds Chronograph
Date
Hands
30 Minute Chronograph Hand at 3:00
45 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Central Split Second Chronograph Hand
Date Window at 3:00
Small Seconds Hand at 9:00
Brand
A. Schild
-Valjoux
Landeron
Seiko
-Daini Seikosha
Universal
Winding
Battery
Hand winding
Two Barrel
Regulators
Indexed
Quartz
Screwed Balance
Stepper Motor
Production Periods
1910s
1920s
1930s
1940s
1950s
1960s
1970s
Frequency
16,384 Hz
18,000 A/h
Anti-Shock
Jewels
15
17
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 12:00
-Balance at 12:30
-Balance at 3:00
Column Wheel
-Column Wheel at 6:00
Daini Seikosha 36 Quartz Stream
AS 1475
Landeron 48
Seiko 3600
Seiko 3602A
Universal 281 Uni-Compax
Valjoux 24 KV
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