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
--8-Column Chronograph
-Flyback Chronograph
-Modular Chronograph
Date
-Big Date
--Double Concentric Wheel Big Date
-Instant Date Change
-Quick Date Correction
Day
-Bilingual Day Wheel
-Quick Day Correction
Day/Night Indicator
GMT Hand
-Independently-Adjustable 12 Hour Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Hand Winding
Moon Phase
Hands
12 Hour Chronograph Hand at 6:00
24 Hour Hand at 1:30
24 Hour Hand at 6:00
30 Minute Chronograph Hand at 12:00
30 Minute Chronograph Hand at 3:00
Big Date at 1:30
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Date Window at 6:00
Date Window at 9:00
Day Window at 3:00
Hour Hand at 12:00
Minute Hand at 12:00
Moon Phase Wheel at 6:00
Open Heart at 10:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
Miyota
Parmigiani Fleurier
Rolex
Seiko
-Grand Seiko
-Seiko Instruments Inc.
-Shizukuishi Watch Studio
Soprod
TAG Heuer
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Seiko Magic Lever Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Two Barrel
Regulators
ETACHRON
Microstella
Screw Regulator
Production Periods
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Citizen Parashock
Diashock
Incabloc Double-Cone
Paraflex
Jewels
21
23
24
26
27
31
35
38
39
68
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 2:00
-Balance at 3:00
-Balance at 6:00
-Balance at 7:00
-Balance at 8:00
Miyota 90 Series
PF700 Family
Soprod A10 Modules
Miyota 6T15
Miyota 9015
PF335
PF337
Rolex 3132
Seiko 4R35
Seiko 4R36
Seiko 8L38
Seiko 9S65
Seiko 9S66
TAG Heuer 1887
Zenith 681
Zenith 691
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