Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
Date
-Quick Date Correction
Day
-Quick Day Correction
Hacking Seconds
Leap Year
Month
-Quick Month Correction
Moon Phase
Year
Hands
Year Wheel at 9:00
Brand
ETA
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Regulators
Production Periods
1990s
2000s
Frequency
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
21
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 12:00
Central Rotor
ETA 2890-9
ETA 2891-9
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