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
--Double Wheel Big Date
Hands
12 Hour Chronograph Hand at 9:00
30 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 4:00
Big Date at 12:00
Big Date at 6:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Central Split Second Chronograph Hand
Day Pointer at 8:00
Day/Night Indicator Disc at 8:00
Day/Night Indicator Pointer at 9:00
Hour Hand at 6:00
Leap Year Pointer at 4:30
Minute Hand at 6:00
Month Pointer at 4:00
Moon Phase Wheel 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
Brand
A. Lange & Söhne
Frédéric Piguet
Parmigiani Fleurier
Soprod
Venus
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Hand winding
Regulators
Soprod
Swan Neck Regulator
Variable Inertia Blocks
Production Periods
1950s
1960s
2000s
2010s
2020s
Frequency
18,000 A/h
28,800 A/h
36,000 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
25
27
35
45
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
FP 69
L952.1
PF361
Soprod C120
Soprod C130
Venus 211
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