Grail Watch Reference
A Reference Library for Watches from Grail Watch
Movement Database
Grail Watch Blog
The Watch Files Podcast
Reference Documents
About Grail Watch
Email
Instagram
LinkedIn
Twitter
Complications
Date
Hand Winding
Hands
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Brand
Seiko
Winding
Automatic
-Bi-Directional Automatic Winding
Regulators
Indexed
Production Periods
2020s
Frequency
28,800 A/h
Anti-Shock
Jewels
35
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
-Balance at 4:30
Seiko 9S27
Sign Up for Grail Watch Updates
