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
Month
Hands
12 Hour Chronograph Hand at 6:00
24 Hour Hand at 9:00
30 Minute Chronograph Hand at 12:00
30 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 4:00
Big Date at 12:00
Central 60 Second Chronograph Hand
Central Date Pointer
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Central Split Second Chronograph Hand
Date Pointer at 12:00
Date Pointer at 3:00
Date Pointer at 9:00
Day Pointer at 12:00
Day Pointer at 3:00
Day Pointer at 8:00
Day Pointer at 9:00
Day Window at 10:30
Day Window at 11:30
Day Window at 9:00
Day/Night Indicator Pointer at 9:00
Leap Year Pointer at 3:00
Leap Year Pointer at 4:30
Leap Year Pointer at 6:00
Leap Year Window at 12:00
Leap Year Window at 3:00
Month Pointer at 12:00
Month Pointer at 3:00
Month Pointer at 4:00
Month Pointer at 6:00
Month Pointer at 9:00
Month Window at 1:30
Month Window at 12:30
Month Window at 3:00
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 12:00
Small Seconds Hand at 6:00
Small Seconds Hand at 8:00
Small Seconds Hand at 9:00
Week Number Pointer at 12:00
Year Wheel at 9:00
Year Window at 11:30
Brand
A. Lange & Söhne
Audemars Piguet
Chronoswiss
ETA
-Valjoux
Frédéric Piguet
Parmigiani Fleurier
Tianjin
-Sea-Gull
Universal
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
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
Incabloc Double-Cone
Jewels
17
21
25
26
29
30
32
33
43
45
52
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:00
-Balance at 12:30
-Balance at 8:00
Column Wheel
-Column Wheel at 5:00
-Column Wheel at 6:00
AP 2885
Chronoswiss C.127
ETA 2890-9
ETA 2891-9
ETA 7751
ETA 7761
FP 56
L051.3
L101.1
L952.1
PF009
PF252
PF333
PF339
ST2503
Universal 281 Tri-Compax
Valjoux 23C
Valjoux 72c VZHC
Valjoux 730
Valjoux 78 VZSC
Valjoux 88 VZHCL
Valjoux 886
Valjoux 89 DXC
Valjoux 90 VZSCL
Venus 191
Venus 192
Venus 193
Venus 194
Venus 198
Venus 199
Venus 200
Venus 205
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