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
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Complications
GMT Hand
Hands
12 Hour Chronograph Hand at 6:00
12 Hour Chronograph Hand at 9:00
24 Hour Hand at 1:30
24 Hour Hand at 6:00
24 Hour Hand at 9:00
24 Hour Window at 3:00
30 Minute Chronograph Hand at 12:00
30 Minute Chronograph Hand at 3:00
Big Date at 12:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Date Pointer
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Pointer at 6:00
Date Window at 3:00
Date Window at 4:30
Date Window at 6:00
Date Window at 9:00
Day Window at 11:30
Day Window at 12:00
Day/Night Indicator Disc at 8:00
Hour Hand at 12:00
Hour Hand at 3:00
Hour Hand at 6:00
Minute Hand at 12:00
Minute Hand at 3:00
Minute Hand at 6:00
Mode Indicator at 6:00
Month Window at 12:30
Moon Phase Wheel at 6:00
Open Heart at 9:00
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
Audemars Piguet
Blancpain
Bulova
ETA
-Valgranges
-Valjoux
Frédéric Piguet
Kenissi
Norqain
Parmigiani Fleurier
Rolex
Seiko
-Credor
-Grand Seiko
-Shizukuishi Watch Studio
Sellita
Soprod
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Seiko Magic Lever Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Battery
Hand winding
Two Barrel
Regulators
Chronergy
ETACHRON
Microstella
Screw Regulator
Screwed Balance
Soprod
Tuning Fork
Production Periods
1960s
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
36,000 A/h
360 Hz
Anti-Shock
Diashock
Elastor
Incabloc Double-Cone
Novodiac
Paraflex
Jewels
15
21
24
25
26
27
28
29
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 5:00
-Balance at 6:00
-Balance at 7:00
-Balance at 8:00
Battery
-Battery at 4:00
Tuning Fork
-Tuning Fork at 12:00
Accutron 218
AGH-1764
AP 2913
ETA 2893-2
ETA 7751
ETA 7754
FP 1241
Norqain NN20/2
PF317
PF337
Rolex 3075
Rolex 3085
Rolex 3185
Rolex 3186
Rolex 3187
Rolex 3285
Seiko 4S12
Seiko 4S27
Seiko 4S36
Seiko 4S76
Seiko 4S77
Seiko 8L36
Seiko 9S66
Seiko 9S85
Seiko 9S86
Soprod C115
Soprod C120
Soprod C125
Soprod C135
SW330-1
Valgranges A07.171
Valjoux 7741
Zenith 672
Zenith 682
Zenith 683
Zenith 693
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