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
-Instant Date Change
Hands
12 Hour Chronograph Hand at 6:00
15 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 3:00
45 Minute Chronograph Hand at 3:00
Big Date at 1:30
Big Date at 12:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Central Split Second Chronograph Hand
Date Window at 3:00
Date Window at 4:30
Date Window at 6:00
Day Window at 12:00
Day Window at 3:00
Moon Phase Wheel at 6:00
Power Reserve Pointer at 1:00
Power Reserve Pointer at 9:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
Breitling
Bulgari
Claro
ETA
Kenissi
Oris
Rolex
-Tudor
Seiko
-Daini Seikosha
-Grand Seiko
-Suwa Seikosha
Tianjin
-Sea-Gull
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
Battery
Hand winding
Two Barrel
Regulators
ETACHRON
Geared mobile stud
Microstella
Quartz
Screw Regulator
Stepper Motor
Variable Inertia Blocks
Production Periods
1960s
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
16,384 Hz
21,600 A/h
28,800 A/h
32,768 Hz
36,000 A/h
Anti-Shock
Elastor
Incabloc Double-Cone
Novodiac
Jewels
17
18
21
25
26
27
28
31
32
36
38
41
47
56
7
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 11:00
-Balance at 12:00
-Balance at 3:00
-Balance at 4:30
-Balance at 6:00
-Balance at 7:00
-Battery at 11:00
-Column Wheel at 10:30
B01
B02
B03
B04
B05
B06
B12
Breitling B20
BVL 191
Claro CL-888
ETA 2688
ETA 2834-2
ETA 2836-2
ETA 2846
ETA 2852
ETA 2853
ETA 2858
ETA 2859
ETA 2872
ETA 2873
ETA 2878
ETA 2879
MT5612
MT5621
MT5641
MT5652
MT5813
Oris 400
Rolex 3035
Rolex 3075
Rolex 3085
Rolex 3135
Rolex 3185
Seiko 3802A
Seiko 3803A
Seiko 3819A
Seiko 3823A
Seiko 3862A
Seiko 3863A
Seiko 3882A
Seiko 3883A
Seiko 4502
Seiko 4522
ST2100
ST2130
Zenith 650
Zenith 655
Zenith 660
Zenith 670
Zenith 670 SK
Zenith 672
Zenith 682
Zenith 683
Zenith 684
Zenith 685
Zenith 6850
Zenith 687
Zenith 691
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