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
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Complications
Chronograph
-2-Button
-Column Wheel Chronograph
--6-Column Chronograph
--7-Column Chronograph
-Flyback Chronograph
-Monopusher Chronograph
-Split Seconds Chronograph
Date
-Date by Pointer
Day
Month
Moon Phase
Hands
12 Hour Chronograph Hand at 6:00
30 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Date Pointer
Central Hour Hand
Central Minute Hand
Central Split Second Chronograph Hand
Date Pointer at 12:00
Day Window at 11:30
Month Window at 12:30
Moon Phase Wheel at 12:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
Venus
Winding
Hand winding
Regulators
Production Periods
1940s
1950s
Frequency
18,000 A/h
Anti-Shock
Jewels
17
20
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
Column Wheel
-Column Wheel at 5:00
Venus 183
Venus 184
Venus 185
Venus 186
Venus 187
Venus 189
Venus 190
Venus 191
Venus 196
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