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
Power Reserve Indicator
Hands
24 Hour Hand at 6:00
30 Minute Chronograph Hand at 12:00
Big Date at 1:00
Big Date at 6:00
Central 24 Hour Hand
Central Hour Hand
Central Minute Hand
Central Power Reserve Pointer
Central Seconds Hand
Central Split Second Chronograph Hand
Date Pointer at 10:00
Date Pointer at 6:00
Date Pointer at 9:00
Date Window at 12:00
Date Window at 3:00
Date Window at 4:30
Date Window at 6:00
Day Pointer at 3:00
Day Pointer at 9:00
Hour Hand at 3:00
Hour Hand at 9:00
Leap Year Pointer at 3:00
Minute Hand at 3:00
Minute Hand at 9:00
Month Pointer at 3:00
Moon Phase Wheel at 6:00
Open Heart at 10:00
Open Heart at 6:00
Open Heart at 9:00
Power Reserve Pointer at 1:00
Power Reserve Pointer at 12:00
Power Reserve Pointer at 3:00
Power Reserve Pointer at 6:00
Power Reserve Pointer at 7:00
Power Reserve Pointer at 8:00
Power Reserve Pointer at 9:00
Power Reserve Pointer at 9:30
Retrograde Day Pointer at 2:30
Small Seconds Hand at 4:00
Small Seconds Hand at 5:00
Small Seconds Hand at 6:00
Small Seconds Hand at 7:30
Small Seconds Hand at 9:00
Brand
A. Lange & Söhne
Audemars Piguet
Blancpain
Bulgari
ETA
-Valgranges
Frédéric Piguet
Kenissi
Nomos
-Deutsche Uhrenwerke
Parmigiani Fleurier
-Tudor
Seiko
-Credor
-Grand Seiko
-Seiko Instruments Inc.
--Time Module Inc.
-Shizukuishi Watch Studio
Soprod
Tianjin
-Sea-Gull
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
ETACHRON
Nomos Swing System
Screw Regulator
Screwed Balance
Screwed Mobile Stud
Soprod
Swan Neck Regulator
Triovis
Variable Inertia Blocks
Production Periods
1990s
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
43,200 A/h
Anti-Shock
Diashock
Incabloc Double-Cone
Jewels
17
21
23
24
25
26
27
28
29
31
32
33
34
38
41
43
53
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 3:00
-Balance at 4:00
-Balance at 4:30
-Balance at 5:00
-Balance at 7:00
-Balance at 7:30
Column Wheel
-Column Wheel at 6:00
-Power Reserve Indicator at 2:00
AP 2924
AP 2941
AP 3092
BP 11A4B
BP 11C5
BVL 128
DUW 1001
DUW 2002
DUW 4301
DUW 4401
ETA 2897
FP 1241
L051.2
L101.1
L901.0
MT5621
Nomos Delta
Nomos Gamma
PF110
PF111
PF357
Seiko 4R57
Seiko 4S29
Seiko 4S36
Seiko 4S76
Seiko 4S79
Seiko 6R20
Seiko 6R21
Seiko 6R24
Seiko 6R27
Seiko 8L88
Seiko 9S63
Seiko 9S67
Soprod C115
Soprod C130
Soprod C140
Soprod C145
ST16N
Valgranges A07.161
Zenith 655
Zenith 68
Zenith 683
Zenith 685
Zenith 6850
Zenith 687
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