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