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
Email
Facebook
Instagram
Twitter
Complications
Date
-Quick Date Correction
Hacking Seconds
Hand Winding
Hands
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Brand
Miyota
Winding
Automatic
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Regulators
Production Periods
2010s
2020s
Frequency
28,800 A/h
Anti-Shock
Citizen Parashock
Jewels
24
Balance Mount
Balance Cock
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 7:00
Miyota 9015
Miyota 9039
Sign Up for Grail Watch Updates