Grail Watch Reference
A Reference Library for Watches from Grail Watch
Movement Database
Patent Database
Grail Watch Blog
The Watch Files Podcast
Reference Documents
Vocabulary
About Grail Watch
Email
Instagram
LinkedIn
Mastodon
RSS
Threads
Twitter
Complications
Tourbillon
Hands
Central Hour Hand
Central Minute Hand
Open Heart at 9:00
Brand
Seiko
-Credor
-Shizukuishi Watch Studio
Winding
Hand winding
Regulators
Production Periods
2010s
2020s
Frequency
21,600 A/h
Anti-Shock
Jewels
22
Balance Mount
Balance Bridge
Back-Side Features
-Tourbillon at 3:00
Seiko 6830
Sign Up for Grail Watch Updates
