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
Date
-Date by Pointer
-Quick Date Correction
Day
-Outer Day Wheel
Day/Night Indicator
Hacking Seconds
Moon Phase
Hands
Central Date Pointer
Central Hour Hand
Central Minute Hand
Central Moon Phase Wheel
Central Seconds Hand
Date Window at 3:00
Date Window at 6:00
Day Window at 12:00
Day Window at 3:00
Day/Night Indicator Disc at 10:00
Day/Night Indicator Pointer at 10:00
Moon Phase Wheel at 6:00
Small Seconds Hand at 6:00
Brand
Audemars Piguet
Frédéric Piguet
Sellita
Winding
Automatic
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Hand winding
Regulators
Screw Regulator
Variable Inertia Blocks
Production Periods
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
19
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
Back-Side Features
-Balance at 12:00
AP 5201
FP 951
SW210-1
SW215-1
SW220-1 M
SW221-1 M
SW240-1 M
SW280-1 M
SW285-1 M a
SW285-1 M b
SW288-1 M
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