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
-Split Seconds Chronograph
Date
-Date by Pointer
-Quick Date Correction
-Retrograde Date
Day
-Day by Pointer
-Quick Day Correction
Grande Complication
Leap Year
Month
-Month by Pointer
-Quick Month Correction
Moon Phase
Perpetual Calendar
Repeater
-Minute Repeater
Week Number
Hands
Month Pointer at 6:00
Brand
Audemars Piguet
Parmigiani Fleurier
Winding
Automatic
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Counter-Clockwise Automatic Winding
Hand winding
Regulators
Screwed Mobile Stud
Production Periods
2000s
2020s
Frequency
18,000 A/h
19,800 A/h
Anti-Shock
Jewels
33
52
Balance Mount
Back-Side Features
AP 2885
PF252
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