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
--8-Column Chronograph
Tourbillon
Hands
30 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Open Heart at 6:00
Small Seconds Hand at 9:00
Brand
Audemars Piguet
Winding
Hand winding
Regulators
Screwed Balance
Screwed Mobile Stud
Production Periods
Frequency
21,600 A/h
Anti-Shock
Jewels
28
Balance Mount
Balance Bridge
Back-Side Features
Balance
-Balance at 6:00
Column Wheel
-Column Wheel at 6:00
AP 2889
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