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
-Vertical Clutch Chronograph
Hands
12 Hour Chronograph Hand at 6:00
12 Hour Chronograph Hand at 9:00
30 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 9:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Date Window at 4:30
Day Window at 3:00
Small Seconds Hand at 12:00
Small Seconds Hand at 3:00
Small Seconds Hand at 6:00
Brand
Blancpain
ETA
-ESA
Frédéric Piguet
Seiko
Vaucher Manufacture
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Battery
Hand winding
Regulators
Triovis
Tuning Fork
Variable Inertia Blocks
Production Periods
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
300 Hz
36,000 A/h
Anti-Shock
Ultraflex
Jewels
29
30
34
37
38
42
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 10:30
-Balance at 2:00
-Balance at 3:00
-Battery at 3:00
Column Wheel
-Column Wheel at 2:00
-Column Wheel at 5:00
Tuning Fork
-Tuning Fork at 11:00
BP F385
ESA 9210
FP 1180
FP 1181
FP 1185
FP 1186
Seiko 8R48
VMF 6710
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