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
Annual Calendar
Chronograph
-3-Button Chronograph
-Column Wheel Chronograph
--8-Column Chronograph
-Rattrapante Chronograph
-Split Seconds Chronograph
Date
-Date by Pointer
-Quick Date Correction
-Retrograde Date
Day
-Day by Pointer
-Quick Day Correction
Leap Year
Modular
Month
-Month by Pointer
-Quick Month Correction
Moon Phase
-122-Year Moon Phase
Perpetual Calendar
Power Reserve Indicator
Hands
Month Pointer at 3:00
Brand
A. Lange & Söhne
Parmigiani Fleurier
Winding
Automatic
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
Screwed Balance
Swan Neck Regulator
Production Periods
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
26
32
43
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 8:00
L051.3
L101.1
PF009
PF339
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