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
-Column Wheel Chronograph
--6-Column Chronograph
-Flyback Chronograph
-Monopusher Chronograph
-Rattrapante Chronograph
-Split Seconds Chronograph
Hands
30 Minute Chronograph Hand at 12:00
30 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Split Second Chronograph Hand
Hunter Small Seconds Hand
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
-Valjoux
Minerva
Winding
Hand winding
Regulators
Indexed
Swan Neck Regulator
Production Periods
1910s
1920s
1930s
1940s
1950s
1960s
1970s
Frequency
18,000 A/h
Anti-Shock
Jewels
15
17
18
5
7
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 12:30
Column Wheel
-Column Wheel at 6:00
-Column Wheel at 6:30
Minerva 25
Minerva 9 CH
Valjoux 1
Valjoux 2 BR
Valjoux 24 KV
Valjoux 25 SRV
Valjoux 26
Valjoux 3
Valjoux 34
Valjoux 35
Valjoux 54 VB
Valjoux 55 VBR
Valjoux 57
Valjoux 6 KF
Valjoux 7
Valjoux 76
Valjoux 76 R
Valjoux 8 KL
Valjoux 9 KVR
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