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
24 Hour Hand
Date
-Date by Pointer
-Quick Date Correction
Day
-Quick Day Correction
-Retrograde Day
GMT Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Hand Winding
Power Reserve Indicator
Hands
Central 24 Hour Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Pointer at 6:00
Date Window at 3:00
Power Reserve Pointer at 9:30
Retrograde Day Pointer at 2:30
Brand
Seiko
-Credor
Winding
Automatic
-Bi-Directional Automatic Winding
Regulators
Screw Regulator
Production Periods
2000s
2010s
Frequency
28,800 A/h
Anti-Shock
Diashock
Incabloc Double-Cone
Jewels
25
31
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 4:30
-Balance at 6:00
-Barrel at 12:00
Seiko 4L75
Seiko 4S36
Sign Up for Grail Watch Updates
