Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
Date
-Big Date
--Double Concentric Wheel Big Date
--Overlapping Concentric Big Date
-Quick Date Correction
Hacking Seconds
Hands
Big Date at 3:00
Brand
ETA
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Regulators
ETACHRON
Production Periods
2000s
2010s
2020s
Frequency
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Novodiac
Jewels
22
25
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 12:00
Central Rotor
ETA 2826-2
ETA 2896
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