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
-Date by Pointer
Hands
12 Hour Chronograph Hand at 6:00
24 Hour Hand at 1:30
24 Hour Hand at 6:00
24 Hour Hand at 9:00
30 Minute Chronograph Hand at 12:00
30 Minute Chronograph Hand at 3:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Date Pointer
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 12:00
Date Pointer at 3:00
Date Pointer at 6:00
Date Pointer at 9:00
Day Pointer at 12:00
Day Pointer at 3:00
Day Pointer at 9:00
Day Window at 11:30
Hour Hand at 12:00
Leap Year Pointer at 3:00
Leap Year Pointer at 6:00
Leap Year Window at 3:00
Minute Hand at 12:00
Month Pointer at 12:00
Month Pointer at 3:00
Month Pointer at 6:00
Month Window at 12:30
Moon Phase Wheel at 12:00
Moon Phase Wheel at 6:00
Moon Phase Wheel at 9:00
Open Heart at 6:00
Power Reserve Pointer at 1:00
Power Reserve Pointer at 12:00
Power Reserve Pointer at 9:00
Power Reserve Pointer at 9:30
Retrograde Day Pointer at 2:30
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Week Number Pointer at 12:00
Brand
A. Lange & Söhne
Agenhor
Audemars Piguet
Chronoswiss
ETA
-Valjoux
Parmigiani Fleurier
Progress
Seiko
-Credor
-Seiko Instruments Inc.
--Time Module Inc.
Sellita
Venus
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
--Counter-Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
ETACHRON
Screw Regulator
Screwed Balance
Screwed Mobile Stud
Swan Neck Regulator
Variable Inertia Blocks
Production Periods
1910s
1920s
1930s
1940s
1950s
1960s
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
18,000 A/h
19,800 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Diashock
Incabloc Double-Cone
Jewels
17
19
23
24
25
26
28
29
30
31
33
43
52
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 3:00
-Balance at 5:00
-Balance at 8:00
Column Wheel
-Column Wheel at 5:00
-Column Wheel at 6:00
AP 2885
AP 3092
Chronoswiss C.127
ETA 7751
L051.3
L101.1
PF252
PF317
Progress 6361
Seiko 4R57
Seiko 4S27
Seiko 4S36
Seiko 4S76
Seiko 4S77
Seiko 6R20
Seiko 6R21
Seiko 6R27
SW221-1
SW221-1 M
SW295-1
SW295-1 M
Valjoux 23C
Venus 183
Venus 184
Venus 190
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