Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
Hands
Central Hour Hand
Central Minute Hand
Hunter Small Seconds Hand
Lépine Small Seconds Hand
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
-Unitas
Winding
Hand winding
Regulators
ETACHRON
Production Periods
1960s
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
ETA 6497-1
ETA 6497-2
ETA 6498-1
ETA 6498-2
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