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
-3-Button Chronograph
-Column Wheel Chronograph
--6-Column Chronograph
--7-Column Chronograph
-Flyback Chronograph
-Split Seconds Chronograph
-Vertical Clutch Chronograph
Date
-Big Date
--Double Wheel Big Date
-Instant Date Change
-Quick Date Correction
-Semi-Instantaneous Date Change
GMT Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Hand Winding
Hands
12 Hour Chronograph Hand at 6:00
12 Hour Chronograph Hand at 9:00
30 Minute Chronograph Hand at 3:00
Big Date at 12:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Central Split Second Chronograph Hand
Date Window at 12:00
Date Window at 3:00
Date Window at 4:30
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
Blancpain
Bulgari
Parmigiani Fleurier
Seiko
-Daini Seikosha
-Grand Seiko
-Shizukuishi Watch Studio
Vaucher Manufacture
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Hand winding
Regulators
Screw Regulator
Variable Inertia Blocks
Production Periods
1960s
1970s
2010s
2020s
Frequency
36,000 A/h
Anti-Shock
Diashock
Jewels
25
31
35
37
42
47
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:00
-Balance at 2:00
-Balance at 3:00
Column Wheel
-Column Wheel at 5:00
-Column Wheel at 6:00
BP F385
BVL 328
PF361
PF362
PF365
Seiko 4500
Seiko 4502
Seiko 4520
Seiko 4522
Seiko 4580
Seiko 8L55
Seiko 9S85
Seiko 9S86
Seiko 9SA5
VMF 6710
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