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
Chronograph
-3-Button Chronograph
-Column Wheel Chronograph
--8-Column Chronograph
-Flyback Chronograph
Date
-Quick Date Correction
Hacking Seconds
Hand Winding
Hands
30 Minute Chronograph Hand at 3:00
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Brand
Audemars Piguet
Seiko
-Grand Seiko
-Shizukuishi Watch Studio
Winding
Automatic
-Central Rotor Automatic Winding
Hand winding
Regulators
Gyromax
Production Periods
2020s
Frequency
28,800 A/h
36,000 A/h
Anti-Shock
Diashock
Jewels
34
47
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Counter-Clockwise
Back-Side Features
-Balance at 12:00
Central Rotor
AP 2923
Seiko 9SA5
Sign Up for Grail Watch Updates