Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
Chronograph
-Column Wheel Chronograph
--6-Column Chronograph
-Monopusher Chronograph
Hands
Hunter Small Seconds Hand
Brand
ETA
-Unitas
-Valjoux
Landeron Swiss Movements
Seiko
-Credor
Winding
Hand winding
Regulators
ETACHRON
Production Periods
1940s
1950s
1960s
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
26
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 3:00
-Balance at 4:30
-Barrel at 10:30
ETA 6498-1
ETA 6498-2
L98
Seiko 6898
Valjoux 76
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