Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
24 Hour Hand
Alarm
Date
GMT Hand
-Independently-Adjustable 24 Hour Hand
Power Reserve Indicator
Regulator
Hands
Hour Hand at 3:00
Brand
Blancpain
Chronoswiss
Excelsior Park
Frédéric Piguet
Winding
Automatic
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
--Counter-Clockwise Automatic Winding
Hand winding
Regulators
ETACHRON
Production Periods
1940s
1950s
1990s
2000s
2010s
Frequency
21,600 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
38
Balance Mount
Balance Cock
-Balance Cock Counter-Clockwise
Back-Side Features
-Balance at 12:00
Central Rotor
Chronoswiss C.123
Excelsor Park JB7
FP 1241
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