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
Date
Day
GMT Hand
Hacking Seconds
Hands
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Brand
Bulova
Winding
Battery
Regulators
Tuning Fork
Production Periods
1960s
1970s
Frequency
360 Hz
Anti-Shock
Jewels
15
Balance Mount
Back-Side Features
-Battery at 4:30
Accutron 214
Accutron 218
Sign Up for Grail Watch Updates