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
--7-Column Chronograph
--9-Column Chronograph
-Monopusher Chronograph
Hands
12 Hour Chronograph Hand at 6:00
30 Minute Chronograph Hand at 3:00
45 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Small Seconds Hand at 9:00
Brand
Audemars Piguet
-Valjoux
Venus
Winding
Hand winding
Regulators
Indexed
Production Periods
1930s
1940s
1950s
1960s
1970s
Frequency
18,000 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:00
Column Wheel
-Column Wheel at 5:00
-Column Wheel at 6:00
Venus 150 Family
AP 9ML
Valjoux 71 GHH
Valjoux 72 VZH
Venus 150
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