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
Chronograph
-2-Button
-Column Wheel Chronograph
--6-Column Chronograph
-Vertical Clutch Chronograph
Date
-Big Date
-Instant Date Change
-Quick Date Correction
GMT Hand
Hacking Seconds
Power Reserve Indicator
Hands
45 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
Date Window at 3:00
Date Window at 6:00
Power Reserve Pointer at 9:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
-Tudor
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Regulators
Variable Inertia Blocks
Production Periods
2000s
2010s
2020s
Frequency
28,800 A/h
Anti-Shock
Jewels
25
26
27
28
32
41
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Counter-Clockwise
Back-Side Features
-Balance at 4:30
-Balance at 7:00
-Column Wheel at 10:30
Breitling B01 Family
Tudor MT54 Family
Tudor MT56 Family
MT5402
MT5601
MT5602
MT5612
MT5621
MT5641
MT5652
MT5813
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