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
-Semi-Instantaneous Date Change
Hands
12 Hour Chronograph Hand at 6:00
12 Hour Chronograph Hand at 9:00
30 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 9:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Central World Time Disc
City Window at 3:00
Date Window at 3:00
Date Window at 4:30
Power Reserve Pointer at 7:00
Small Seconds Hand at 3:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
ETA
-Valjoux
Soprod
Vaucher Manufacture
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Hand winding
Regulators
ETACHRON
Screw Regulator
Valjoux
Variable Inertia Blocks
Production Periods
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
28,800 A/h
36,000 A/h
Anti-Shock
Incabloc Double-Cone
Novodiac
Jewels
17
21
23
25
27
37
42
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 10:30
-Balance at 12:00
-Balance at 6:00
Central Rotor
ETA 2671
ETA 2678
ETA 2681
ETA 2804-2
ETA 2824-2
ETA 2892A2
ETA 2893-1
ETA 2893-2
ETA 2894-2
ETA 2895-2
ETA 2897
ETA 7753
Soprod P092
VMF 6710
Sign Up for Grail Watch Updates