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
Chronograph
-3-Button Chronograph
-Column Wheel Chronograph
--6-Column Chronograph
-Flyback Chronograph
-Split Seconds Chronograph
Date
-Big Date
--Double Wheel Big Date
-Quick Date Correction
GMT Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Hand Winding
Hands
12 Hour Chronograph Hand at 9:00
30 Minute Chronograph Hand at 3:00
Big Date at 12:00
Central 24 Hour Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Central Split Second Chronograph Hand
Date Window at 3:00
Small Seconds Hand at 6:00
Brand
Parmigiani Fleurier
Seiko
-Grand Seiko
-Shizukuishi Watch Studio
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Hand winding
Two Barrel
Regulators
Indexed
Screw Regulator
Variable Inertia Blocks
Production Periods
2010s
2020s
Frequency
28,800 A/h
36,000 A/h
Anti-Shock
Diashock
Jewels
35
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 2:00
-Balance at 4:30
-Balance at 5:00
PF361
Seiko 9S27
Seiko 9S65
Seiko 9S66
Seiko 9S68
Zenith 6150
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