Grail Watch Reference
A Reference Library for Watches from Grail Watch
Movement Database
Grail Watch Blog
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
Chronograph
-2-Button
-Cam Switching Chronograph
Date
-Date by Pointer
-Quick Date Correction
Day
-Bilingual Day Wheel
-Quick Day Correction
GMT Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Hand Winding
Power Reserve Indicator
Tourbillon
-Flying Tourbillon
Hands
12 Hour Chronograph Hand at 6:00
24 Hour Hand at 10:30
30 Minute Chronograph Hand at 12:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Pointer at 10:00
Date Pointer at 3:00
Date Window at 3:00
Day Window at 3:00
Open Heart at 6:00
Open Heart at 9:00
Power Reserve Pointer at 1:00
Power Reserve Pointer at 6:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
Audemars Piguet
Bulgari
ETA
-Valgranges
-Valjoux
Miyota
Seiko
-Grand Seiko
-Seiko Instruments Inc.
--Time Module Inc.
-Shizukuishi Watch Studio
Sellita
Soprod
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Peripheral Automatic Winding
-Seiko Magic Lever Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Hand winding
Regulators
ETACHRON
Microstella
Screw Regulator
Screwed Mobile Stud
Soprod
Variable Inertia Blocks
Production Periods
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Citizen Parashock
Diashock
Incabloc Double-Cone
Jewels
24
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:00
-Balance at 2:00
-Balance at 3:00
-Balance at 5:00
-Balance at 7:00
AP 3092
BVL 288
ETA 7750
Miyota 9015
Miyota 9039
Seiko 4R35
Seiko 4R36
Seiko 4R37
Seiko 4R38
Seiko 4R39
Seiko 4R71
Seiko 4S28
Seiko 6R35
Seiko 8L21
Seiko 9S64
Soprod M800 Date
SW216-1
SW219-1
SW261-1 M
SW295-1 M
Valgranges A07.111
Valgranges A07.161
Valgranges A07.171
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