Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
24 Hour Hand
Chronograph
-2-Button
-Column Wheel Chronograph
--8-Column Chronograph
-Monopusher Chronograph
Hands
45 Minute Chronograph Hand at 3:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Small Seconds Hand at 9:00
Brand
Excelsior Park
Winding
Hand winding
Regulators
Indexed
Screwed Balance
Production Periods
1920s
1930s
1940s
1950s
1960s
Frequency
18,000 A/h
Anti-Shock
Jewels
17
Balance Mount
Balance Cock
-Balance Cock Counter-Clockwise
Back-Side Features
-Balance at 6:00
-Column Wheel at 12:00
Excelsior Park JB4 Family
Excelsior Park JB4
Excelsior Park JB4-24h
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