Grail Watch Reference
A Reference Library for Watches from Grail Watch
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About Grail Watch
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Complications
Hacking Seconds
Regulator
Hands
Central Minute Hand
Hour Hand at 12:00
Small Seconds Hand at 6:00
Brand
Sinn
Winding
Hand winding
Regulators
ETACHRON
Production Periods
2000s
2010s
2020s
Frequency
18,000 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
-Balance at 4:30
Sinn SZ04
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