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
Chronograph
-2-Button
-Cam Switching Chronograph
-Column Wheel Chronograph
--7-Column Chronograph
--9-Column Chronograph
-Split Seconds Chronograph
Date
-Quick Date Correction
Day
-Quick Day Correction
Month
-Quick Month Correction
Moon Phase
Hands
12 Hour Chronograph Hand at 6:00
15 Minute Chronograph Hand at 3:00
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
Day Window at 11:30
Month Window at 12:30
Moon Phase Wheel at 6:00
Small Seconds Hand at 9:00
Brand
-Valjoux
Landeron
Venus
Winding
Hand winding
Regulators
Indexed
Screwed Balance
Production Periods
1940s
1950s
1960s
1970s
Frequency
18,000 A/h
Anti-Shock
Jewels
17
26
Balance Mount
Balance Cock
-Balance Cock 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
Landeron 51
Valjoux 88 VZHCL
Venus 178
Venus 179
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