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
Day
Month
Year
Hands
Year Window at 11:30
Brand
Tianjin
-Sea-Gull
Winding
Automatic
-Central Rotor Automatic Winding
Regulators
Production Periods
2010s
2020s
Frequency
21,600 A/h
Anti-Shock
Jewels
29
Balance Mount
Back-Side Features
Central Rotor
ST2503
Sign Up for Grail Watch Updates
