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
Chronograph
-3-Button Chronograph
-Column Wheel Chronograph
--8-Column Chronograph
-Rattrapante Chronograph
-Split Seconds Chronograph
Date
-Date by Pointer
Day
-Day by Pointer
Leap Year
Month
-Month by Pointer
Moon Phase
-122-Year Moon Phase
Perpetual Calendar
Power Reserve Indicator
Hands
Leap Year Pointer at 3:00
Brand
A. Lange & Söhne
Winding
Hand winding
Regulators
Production Periods
2010s
2020s
Frequency
21,600 A/h
Anti-Shock
Jewels
43
Balance Mount
Back-Side Features
L101.1
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