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
--5-Column Chronograph
-Horizontal Clutch Chronograph
-Monopusher Chronograph
-Split Seconds Chronograph
Date
-Date by Pointer
Day
-Day by Pointer
Grande Complication
Leap Year
Month
-Month by Pointer
Moon Phase
Repeater
-Minute Repeater
Tourbillon
Week Number
Hands
30 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Split Second Chronograph Hand
Date Pointer at 9:00
Day Pointer at 3:00
Leap Year Pointer at 6:00
Month Pointer at 6:00
Moon Phase Wheel at 12:00
Open Heart at 6:00
Small Seconds Hand at 9:00
Week Number Pointer at 12:00
Brand
Audemars Piguet
Bulgari
Winding
Automatic
-Central Rotor Automatic Winding
-Peripheral Automatic Winding
-Uni-Directional Automatic Winding
--Counter-Clockwise Automatic Winding
Regulators
Screwed Mobile Stud
Production Periods
2020s
Frequency
19,800 A/h
21,600 A/h
Anti-Shock
Jewels
52
Balance Mount
Balance Bridge
Back-Side Features
-Balance at 6:00
-Column Wheel at 7:30
AP 2885
BVL 388
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