Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
Chronograph
-Monopusher Chronograph
Hands
30 Minute Chronograph Hand at 12:00
Central 60 Second Chronograph Hand
Brand
Léonidas
Vénus
Winding
Hand winding
Regulators
Production Periods
1930s
1940s
Frequency
18,000 A/h
36,000 A/h
Anti-Shock
Jewels
7
Balance Mount
Back-Side Features
-Balance at 1:30
-Barrel at 10:30
Venus 122
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