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
Day
-Day by Pointer
Grande Complication
Leap Year
Month
-Month by Pointer
Moon Phase
Repeater
-Minute Repeater
Week Number
Hands
30 Minute Chronograph Hand at 3:00
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
Small Seconds Hand at 9:00
Week Number Pointer at 12:00
Brand
Audemars Piguet
Jaeger-LeCoultre
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Counter-Clockwise Automatic Winding
Regulators
Gyromax
Screwed Mobile Stud
Production Periods
1960s
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
19,800 A/h
Anti-Shock
Elastor
Jewels
36
52
Balance Mount
Balance Cock
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 6:00
AP 2120
AP 2885
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