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
Date
-Big Date
--Double Concentric Wheel Big Date
-Instant Date Change
-Quick Date Correction
Day/Night Indicator
GMT Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Moon Phase
Power Reserve Indicator
World Time
Hands
Big Date at 1:30
Central 24 Hour Hand
Central Hour Hand
Central Minute Hand
Central Power Reserve Pointer
Central Seconds Hand
Date Window at 3:00
Date Window at 4:30
Date Window at 6:00
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
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Hand winding
Two Barrel
Regulators
Production Periods
1990s
2000s
2010s
2020s
Frequency
28,800 A/h
Anti-Shock
Jewels
26
27
31
32
35
37
38
41
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 4:30
Zenith Elite
Zenith 6150
Zenith 650
Zenith 655
Zenith 660
Zenith 661
Zenith 67
Zenith 670
Zenith 670 SK
Zenith 672
Zenith 679
Zenith 68
Zenith 680
Zenith 681
Zenith 682
Zenith 683
Zenith 684
Zenith 685
Zenith 6850
Zenith 687
Zenith 689
Zenith 690
Zenith 691
Zenith 692
Zenith 693
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