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
Chronograph
-2-Button
-Column Wheel Chronograph
--6-Column Chronograph
-Flyback Chronograph
Date
Hands
12 Hour Chronograph Hand at 3:00
30 Minute Chronograph Hand at 9:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Date Window at 4:30
Small Seconds Hand at 6:00
Brand
Audemars Piguet
Winding
Automatic
-Central Rotor Automatic Winding
Regulators
Production Periods
2020s
Frequency
28,800 A/h
Anti-Shock
Jewels
40
Balance Mount
Back-Side Features
Column Wheel
-Column Wheel at 8:00
AP 4401
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