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
-Column Wheel Chronograph
--6-Column Chronograph
--8-Column Chronograph
-Monopusher Chronograph
Date
Day
GMT Hand
Hacking Seconds
Hand Winding
Month
Power Reserve Indicator
Regulator
Tourbillon
Year
Hands
24 Hour Hand at 10:30
24 Hour Hand at 9:00
24 Hour Window at 3:00
30 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Pointer at 3:00
Day Pointer at 9:00
Hour Hand at 12:00
Mode Indicator at 6:00
Month Window at 12:30
Open Heart at 10:00
Open Heart at 12:00
Open Heart at 5:00
Open Heart at 6:00
Open Heart at 7:00
Open Heart at 9:00
Power Reserve Pointer at 12:00
Power Reserve Pointer at 3:00
Small Seconds Hand at 4:30
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Year Window at 11:30
Brand
A. Lange & Söhne
Audemars Piguet
Chronoswiss
Miyota
Seiko
-Credor
-Seiko Instruments Inc.
-Shizukuishi Watch Studio
Soprod
STP
Tianjin
-Sea-Gull
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Seiko Magic Lever Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
--Counter-Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
ETACHRON
Screw Regulator
Screwed Balance
Screwed Mobile Stud
Soprod
Production Periods
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
43,200 A/h
Anti-Shock
Citizen Parashock
Diashock
Incabloc Double-Cone
Jewels
20
21
22
24
25
26
27
28
29
30
34
41
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 2:00
-Balance at 3:00
-Balance at 5:00
-Balance at 6:00
-Balance at 7:00
Column Wheel
-Column Wheel at 6:00
AP 2889
AP 2912
AP 2913
AP 2924
AP 2941
Chronoswiss C.125
L102.1
Miyota 6T28
Miyota 82S0
Miyota 82S5
Miyota 82S7
Seiko 4R38
Seiko 4R39
Seiko 6830
Seiko 8L38
Seiko 8L88
Soprod C145
Soprod M100 Balancier Visible
ST2503
STP5-15
STP5-15M
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