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
Annual Calendar
Date
-Big Date
-Instant Date Change
-Quick Date Correction
-Retrograde Date
Day
-Day by Pointer
-Quick Day Correction
Hacking Seconds
Leap Year
Month
-Month by Pointer
-Quick Month Correction
Moon Phase
Perpetual Calendar
Power Reserve Indicator
Regulator
Hands
Big Date at 12:00
Central Date Pointer
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Pointer at 12:00
Date Pointer at 9:00
Date Window at 3:00
Date Window at 4:30
Date Window at 6:00
Day Pointer at 9:00
Day Window at 9:00
Hour Window at 12:00
Leap Year Window at 12:00
Month Pointer at 3:00
Month Window at 3:00
Moon Phase Wheel at 6:00
Power Reserve Pointer at 1:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
Chronoswiss
Kenissi
Parmigiani Fleurier
-Tudor
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
--Counter-Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
ETACHRON
Variable Inertia Blocks
Production Periods
1990s
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
32
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 7:00
-Balance at 8:00
Chronoswiss C.124
MT5641
PF009
PF331
PF332
PF333
PF339
Zenith 650
Zenith 655
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