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
Leap Year
Hands
30 Minute Chronograph Hand at 12:00
30 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 4:00
Big Date at 12:00
Central 60 Second Chronograph Hand
Central Date Pointer
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Central Split Second Chronograph Hand
Date Pointer at 12:00
Date Pointer at 3:00
Date Pointer at 9:00
Day Pointer at 12:00
Day Pointer at 3:00
Day Pointer at 8:00
Day Pointer at 9:00
Day Window at 9:00
Day/Night Indicator Pointer at 9:00
Leap Year Pointer at 3:00
Leap Year Pointer at 4:30
Leap Year Pointer at 6:00
Leap Year Window at 12:00
Leap Year Window at 3:00
Month Pointer at 12:00
Month Pointer at 3:00
Month Pointer at 4:00
Month Pointer at 6:00
Month Pointer at 9:00
Month Window at 3:00
Moon Phase Wheel at 12:00
Moon Phase Wheel at 6:00
Moon Phase Wheel at 9:00
Power Reserve Pointer at 12:00
Small Seconds Hand at 6:00
Small Seconds Hand at 8:00
Small Seconds Hand at 9:00
Week Number Pointer at 12:00
Year Wheel at 9:00
Brand
A. Lange & Söhne
Agenhor
Arnold & Son
Audemars Piguet
ETA
Parmigiani Fleurier
Vaucher Manufacture
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Micro-Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Counter-Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
Screwed Mobile Stud
Swan Neck Regulator
Variable Inertia Blocks
Production Periods
1990s
2000s
2010s
2020s
Frequency
18,000 A/h
19,800 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
21
29
32
33
43
45
52
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 12:00
-Balance at 8:00
AGH-1764
AP 2885
ETA 2890-9
ETA 2891-9
L101.1
L952.1
PF252
PF333
VMF 5401/50
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