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
-Independently-Adjustable 24 Hour Hand
Hands
24 Hour Hand at 3:00
24 Hour Hand at 6:00
30 Minute Chronograph Hand at 6:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Pointer at 6:00
Date Window at 3:00
Date Window at 4:30
Day Window at 12:00
Hour Hand at 3:00
Minute Hand at 3:00
Power Reserve Pointer at 1:00
Power Reserve Pointer at 12:00
Power Reserve Pointer at 9:30
Retrograde Day Pointer at 2:30
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
Agenhor
Arnold & Son
Blancpain
Bulgari
ETA
-Valgranges
Frédéric Piguet
Rolex
Seiko
-Credor
-Grand Seiko
-Shizukuishi Watch Studio
Sellita
Soprod
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Peripheral Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Regulators
Chronergy
ETACHRON
Microstella
Screw Regulator
Soprod
Production Periods
1980s
1990s
2000s
2010s
2020s
Frequency
28,800 A/h
36,000 A/h
Anti-Shock
Diashock
Elastor
Incabloc Double-Cone
Novodiac
Paraflex
Jewels
21
24
25
26
27
28
31
35
37
38
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:00
-Balance at 2:00
-Balance at 4:30
-Balance at 5:00
-Balance at 6:00
-Column Wheel at 7:30
AGH-1764
BVL 318
ETA 2893-2
FP 1241
Rolex 3185
Rolex 3186
Rolex 3187
Rolex 3285
Seiko 4S27
Seiko 4S36
Seiko 4S76
Seiko 9S66
Seiko 9S85
Seiko 9S86
Soprod C115
Soprod C125
Soprod C135
SW330-1
Valgranges A07.171
Zenith 672
Zenith 682
Zenith 683
Zenith 693
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