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
Chronograph
-2-Button
-Cam Switching Chronograph
-Column Wheel Chronograph
--6-Column Chronograph
--8-Column Chronograph
--9-Column Chronograph
-Flyback Chronograph
-Modular Chronograph
-Monopusher Chronograph
-Vertical Clutch Chronograph
Date
-Instant Date Change
-Quick Date Correction
Day
-Quick Day Correction
GMT Hand
Hacking Seconds
Hand Winding
Moon Phase
Power Reserve Indicator
Hands
Date Window at 6:00
Brand
-Valjoux
Miyota
Nomos
-Deutsche Uhrenwerke
Parmigiani Fleurier
-Tudor
Sellita
TAG Heuer
Valanvron
Vaucher Manufacture
Venus
Zenith
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
Nomos Swing System
Screw Regulator
Screwed Mobile Stud
Triovis
Variable Inertia Blocks
Production Periods
1950s
1960s
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Citizen Parashock
Incabloc Double-Cone
Novodiac
Jewels
17
19
21
23
25
26
27
28
29
32
39
41
68
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:00
-Balance at 12:30
-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 10:30
-Column Wheel at 6:30
Micro Rotor
-Micro Rotor at 2:00
DUW 4401
DUW 5101
Miyota 8215
MT5813
Nomos Beta
Nomos Delta
Nomos Zeta
PF111
PF310
PF318
PF331
PF335
PF441
PF708
SW288-1
SW288-1 M
SW500 M MP a
SW500 MP a
SW500 MPC a
SW500 MPC b
SW501 M MP a
SW501 MP a
SW501 MPC a
SW501 MPC b
TAG Heuer 1887
VAL-36
Valjoux 232
Valjoux 237
Valjoux 7741
Venus 210
Zenith 670 SK
Zenith 684
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