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
24 Hour Hand
Alarm
Chronograph
-2-Button
-3-Button Chronograph
-Column Wheel Chronograph
--8-Column Chronograph
-Rattrapante Chronograph
-Split Seconds Chronograph
Date
-Big Date
--Double Wheel Big Date
-Date by Pointer
-Quick Date Correction
Day
-Day by Pointer
GMT Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Leap Year
Modular
Month
-Month by Pointer
Moon Phase
-122-Year Moon Phase
Perpetual Calendar
Power Reserve Indicator
Hands
Power Reserve Pointer at 12:00
Brand
A. Lange & Söhne
Audemars Piguet
Blancpain
Frédéric Piguet
Nomos
-Deutsche Uhrenwerke
Parmigiani Fleurier
Soprod
Tianjin
-Sea-Gull
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
Screwed Balance
Soprod
Swan Neck Regulator
Production Periods
1990s
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
21
23
27
28
29
31
34
38
43
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 3:00
-Balance at 5:00
Column Wheel
-Column Wheel at 6:00
AP 2941
DUW 1001
DUW 2002
FP 1241
L101.1
PF110
PF111
Soprod C115
Soprod C130
Soprod C140
Soprod C145
ST16N
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