Grail Watch Reference
A Reference Library for Watches from Grail Watch
Movement Database
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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
--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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