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
Annual Calendar
Chronograph
-2-Button
-Column Wheel Chronograph
--8-Column Chronograph
-Flyback Chronograph
-Monopusher Chronograph
Date
-Date by Pointer
-Quick Date Correction
Day
-Day by Pointer
GMT Hand
-Independently-Adjustable 12 Hour Hand
Hacking Seconds
Modular
Month
-Month by Pointer
Moon Phase
-122-Year Moon Phase
Power Reserve Indicator
Tourbillon
Hands
24 Hour Window at 3:00
30 Minute Chronograph Hand at 3:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Pointer at 9:00
Date Window at 3:00
Day Pointer at 9:00
Mode Indicator at 6:00
Month Pointer at 3:00
Moon Phase Wheel at 6:00
Open Heart at 6:00
Open Heart at 9:00
Power Reserve Pointer at 12:00
Power Reserve Pointer at 8:00
Small Seconds Hand at 4:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
A. Lange & Söhne
Audemars Piguet
Blancpain
Kenissi
Nomos
-Deutsche Uhrenwerke
Norqain
Winding
Automatic
-Bi-Directional Automatic Winding
Hand winding
Two Barrel
Regulators
Screwed Balance
Production Periods
1950s
1960s
1970s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
20
23
25
26
27
28
29
34
36
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 3:00
-Balance at 6:00
-Balance at 7:00
Column Wheel
-Column Wheel at 6:00
AP 2889
AP 2913
AP 2924
AP 2941
Blancpain R-550
DUW 1001
DUW 2002
L051.1
L051.2
L051.3
L102.1
L1924
Norqain NN20/1
Norqain NN20/2
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