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
-Column Wheel Chronograph
--6-Column Chronograph
--7-Column Chronograph
-Vertical Clutch Chronograph
Date
-Instant Date Change
-Quick Date Correction
Hands
15 Minute Chronograph Hand at 3:00
Brand
Breitling
Venus
Winding
Automatic
Hand winding
Regulators
Production Periods
1940s
1950s
2010s
2020s
Frequency
18,000 A/h
28,800 A/h
Anti-Shock
Jewels
17
47
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 4:30
Column Wheel
-Column Wheel at 10:30
-Column Wheel at 5:00
B02
B06
B09
B12
Venus 178
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