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
-Column Wheel Chronograph
--6-Column Chronograph
-Modular Chronograph
-Vertical Clutch Chronograph
Date
-Big Date
-Date by Pointer
-Quick Date Correction
Day
-Day by Pointer
-Quick Day Correction
GMT Hand
Hacking Seconds
Hand Winding
Leap Year
Modular
Month
Moon Phase
Perpetual Calendar
Power Reserve Indicator
Tourbillon
Year
Hands
12 Hour Chronograph Hand at 9:00
24 Hour Window at 3:00
30 Minute Chronograph Hand at 3:00
Big Date at 6:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Power Reserve Pointer
Central Seconds Hand
Date Pointer at 3:00
Date Pointer at 6:00
Date Window at 12:00
Date Window at 3:00
Date Window at 4:30
Date Window at 6:00
Day Pointer at 3:00
Day Pointer at 9:00
Leap Year Window at 12:00
Mode Indicator at 6:00
Month Pointer at 12:00
Month Window at 12:30
Moon Phase Wheel at 12:00
Moon Phase Wheel at 6:00
Open Heart at 6:00
Open Heart at 9:00
Power Reserve Pointer at 12:00
Power Reserve Pointer at 8:00
Power Reserve Pointer at 9:00
Power Reserve Pointer at 9:30
Small Seconds Hand at 4:00
Small Seconds Hand at 6:00
Year Window at 11:30
Brand
A. Lange & Söhne
Audemars Piguet
Blancpain
Chronoswiss
Frédéric Piguet
Nomos
-Deutsche Uhrenwerke
Parmigiani Fleurier
Seiko
-Seiko Instruments Inc.
--Time Module Inc.
Soprod
Tianjin
-Sea-Gull
Vaucher Manufacture
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Micro-Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
--Counter-Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
ETACHRON
Screw Regulator
Screwed Balance
Soprod
Swan Neck Regulator
Triovis
Variable Inertia Blocks
Production Periods
1980s
1990s
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Diashock
Incabloc Double-Cone
Ultraflex
Jewels
29
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 10:30
-Balance at 3:00
-Balance at 4:00
-Balance at 4:30
-Balance at 5:00
-Balance at 8:00
Column Wheel
-Column Wheel at 2:00
Micro Rotor
-Micro Rotor at 2:00
AP 2913
Chronoswiss C.121
DUW 1001
FP 1150
FP 1180
FP 615
FP 6850
L051.2
PF441
PF442
PF701
PF707
PF708
Seiko 4R57
Seiko 4S29
Seiko 6R20
Seiko 6R21
Seiko 6R27
Soprod C110
ST2503
VMF 5401/50
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