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
24 Hour Hand
Alarm
Chronograph
-2-Button
-Column Wheel Chronograph
--5-Column Chronograph
--8-Column Chronograph
-Horizontal Clutch Chronograph
-Monopusher Chronograph
-Vertical Clutch Chronograph
Date
-Date by Pointer
-Instant Date Change
-Quick Date Correction
-Retrograde Date
Day
-Bilingual Day Wheel
-Day by Pointer
-Quick Day Correction
-Retrograde Day
Hacking Seconds
Hand Winding
Power Reserve Indicator
Tourbillon
World Time
Hands
12 Hour Chronograph Hand at 6:00
24 Hour Hand at 10:30
24 Hour Window at 3:00
30 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 9:00
Central 60 Second Chronograph Hand
Central Alarm Hand
Central Hour Hand
Central Minute Hand
Central Power Reserve Pointer
Central Seconds Hand
City Window at 12:00
Date Pointer at 6:00
Date Window at 3:00
Date Window at 4:30
Date Window at 6:00
Day Pointer at 3:00
Day Window at 3:00
Hunter Small Seconds Hand
Open Heart at 9:00
Power Reserve Pointer at 1:00
Power Reserve Pointer at 12:00
Power Reserve Pointer at 9:00
Power Reserve Pointer at 9:30
Small Seconds Hand at 3:00
Small Seconds Hand at 6:00
Brand
A. Schild
Audemars Piguet
-ESA
Landeron
Nomos
-Deutsche Uhrenwerke
Seiko
-Credor
-Daini Seikosha
-Grand Seiko
-Seiko Instruments Inc.
--Time Module Inc.
-Shizukuishi Watch Studio
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Seiko Magic Lever Winding
-Uni-Directional Automatic Winding
Battery
Hand winding
Two Barrel
Regulators
ETACHRON
fixed-coil contact-controlled
Indexed
Nomos Swing System
Screw Regulator
Screwed Balance
Screwed Mobile Stud
Triovis
Production Periods
1930s
1950s
1960s
1970s
1990s
2000s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
28,800 A/h
36,000 A/h
Anti-Shock
Diashock
Incabloc Double-Cone
Jewels
12
13
17
21
22
23
24
25
26
29
30
31
34
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
-Balance at 3:00
AP 2912
AP 2941
AS 1475
AS 5008
DUW 4101
DUW 4301
DUW 4401
DUW 5001
DUW 5101
DUW 5201
Landeron 32
Landeron 4750
Nomos Alpha
Nomos Alpha.2
Nomos Beta
Nomos Delta
Nomos Gamma
Seiko 4500
Seiko 4502
Seiko 4520
Seiko 4522
Seiko 4580
Seiko 4R15
Seiko 4R16
Seiko 4R35
Seiko 4R36
Seiko 4R37
Seiko 4R38
Seiko 4R39
Seiko 4R57
Seiko 4R71
Seiko 6830
Seiko 6890
Seiko 6898
Seiko 6899
Seiko 6R15
Seiko 6R20
Seiko 6R21
Seiko 6R24
Seiko 6R27
Seiko 6R35
Seiko 7S25
Seiko 7S26
Seiko 7S35
Seiko 7S36
Seiko 8R48
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