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
-Quick Date Correction
Day
-Quick Day Correction
Hacking Seconds
Hands
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Day Window at 3:00
Brand
ETA
-ESA
Landeron
Winding
Battery
Regulators
fixed-coil contact-controlled
Tuning Fork
Production Periods
1960s
1970s
Frequency
18,000 A/h
300 Hz
Anti-Shock
Jewels
12
Balance Mount
Balance Cock
Back-Side Features
Balance
-Balance at 3:00
-Battery at 3:00
Tuning Fork
-Tuning Fork at 10:30
ESA 9162
ESA 9164
Landeron 4750
Sign Up for Grail Watch Updates
