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
Date
-Date by Pointer
-Quick Date Correction
Hacking Seconds
Hand Winding
Tourbillon
-Flying Tourbillon
Hands
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Pointer at 12:00
Date Window at 3:00
Date Window at 6:00
Open Heart at 6:00
Small Seconds Hand at 6:00
Brand
Nomos
Parmigiani Fleurier
Progress
Rolex
Tianjin
-Sea-Gull
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
Microstella
Screw Regulator
Production Periods
2000s
2010s
2020s
Frequency
28,800 A/h
Anti-Shock
Elastor
Incabloc Double-Cone
Jewels
21
23
26
31
32
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 6:00
-Balance at 8:00
Nomos 1 Family
PF331 Family
PF331
Progress 6361
Rolex 3130
ST1812
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