Grail Watch Reference
A Reference Library for Watches from Grail Watch
Movement Database
Grail Watch Blog
The Watch Files Podcast
Reference Documents
About Grail Watch
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Complications
24 Hour Hand
Equation of Time
GMT Hand
-Independently-Adjustable 24 Hour Hand
Leap Year
Moon Phase
Perpetual Calendar
Hands
Brand
Arnold & Son
Winding
Regulators
Production Periods
Frequency
Anti-Shock
Jewels
Balance Mount
Back-Side Features
AGH-1764
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