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
--7-Column Chronograph
--8-Column Chronograph
-Split Seconds Chronograph
Date
-Date by Pointer
-Quick Date Correction
Day
-Day by Pointer
Grande Complication
Leap Year
Month
-Month by Pointer
-Quick Month Correction
Moon Phase
Repeater
-Minute Repeater
Week Number
Hands
Moon Phase Wheel at 12:00
Brand
Audemars Piguet
Parmigiani Fleurier
Universal
Venus
Winding
Automatic
-Central Rotor Automatic Winding
-Micro-Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Counter-Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
Screwed Mobile Stud
Production Periods
1940s
1950s
2010s
2020s
Frequency
18,000 A/h
19,800 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Jewels
17
28
29
52
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:30
-Balance at 4:00
-Balance at 8:00
Column Wheel
-Column Wheel at 5:00
-Column Wheel at 6:00
Micro Rotor
-Micro Rotor at 2:00
AP 2885
PF318
PF708
Universal 281 Tri-Compax
Venus 184
Venus 187
Venus 190
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