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
-2-Button
-Column Wheel Chronograph
--7-Column Chronograph
Date
-Date by Pointer
-Quick Date Correction
-Semi-Instantaneous Date Change
Day
-Bilingual Day Wheel
-Quick Day Correction
Hacking Seconds
Hand Winding
Power Reserve Indicator
Tourbillon
-Flying Tourbillon
Hands
30 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Pointer at 12:00
Date Window at 3:00
Date Window at 6:00
Day Window at 3:00
Open Heart at 6:00
Power Reserve Pointer at 1:00
Power Reserve Pointer at 12:00
Power Reserve Pointer at 9:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
A. Lange & Söhne
Blancpain
Maurice Lacroix
Nomos
-Deutsche Uhrenwerke
Progress
Seiko
-Daini Seikosha
-Seiko Instruments Inc.
--Time Module Inc.
Soprod
Tianjin
-Sea-Gull
Venus
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Seiko Magic Lever Winding
Hand winding
Two Barrel
Regulators
ETACHRON
Nomos Swing System
Screw Regulator
Screwed Balance
Screwed Mobile Stud
Swan Neck Regulator
Tadpole Regulator
Triovis
Production Periods
1970s
1990s
2000s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Diashock
Incabloc Double-Cone
Jewels
23
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 3:00
-Balance at 5:00
-Balance at 6:00
Column Wheel
-Column Wheel at 5:00
BP 11C5
DUW 2002
DUW 4101
DUW 4401
L051.1
ML 36
Nomos Beta
Nomos Delta
Progress 6361
Seiko 4R35
Seiko 5206
Seiko 5216
Seiko 6R15
Seiko 7S35
Seiko 7S36
Soprod Newton
ST1812
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