Grail Watch Reference
A Reference Library for Watches from Grail Watch
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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
-122-Year Moon Phase
Hands
30 Minute Chronograph Hand at 12:00
30 Minute Chronograph Hand at 4:00
Big Date at 12:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Split Second Chronograph Hand
Date Pointer at 9:00
Day Pointer at 8:00
Day Pointer at 9:00
Day/Night Indicator Pointer at 9:00
Leap Year Pointer at 3:00
Leap Year Pointer at 4:30
Month Pointer at 3:00
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
Brand
A. Lange & Söhne
Winding
Hand winding
Regulators
Screwed Balance
Swan Neck Regulator
Variable Inertia Blocks
Production Periods
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
26
43
45
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
L051.3
L101.1
L952.1
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