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
-Split Seconds Chronograph
Date
-Instant Date Change
-Quick Date Correction
Hacking Seconds
Hand Winding
Hands
30 Minute Chronograph Hand at 3:00
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Central Split Second Chronograph Hand
Date Window at 3:00
Small Seconds Hand at 9:00
Brand
Audemars Piguet
Blancpain
Claro
-Valjoux
Frédéric Piguet
Jaeger-LeCoultre
Sellita
Tianjin
-Sea-Gull
Vacheron Constantin
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Hand winding
Regulators
Screw Regulator
Screwed Mobile Stud
Production Periods
1920s
1930s
1940s
1950s
1960s
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
18
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 11:00
-Balance at 12:30
-Balance at 4:30
-Balance at 5:00
Column Wheel
-Column Wheel at 6:00
AP 2003
Claro CL-888
FP 21
ST1612
SW1000-1
Valjoux 55 VBR
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