Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
Date
-Instant Date Change
-Quick Date Correction
Day
-Bilingual Day Wheel
-Outer Day Wheel
-Quick Day Correction
Hacking Seconds
Hand Winding
Hands
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Date Window at 6:00
Day Window at 12:00
Day Window at 3:00
Brand
Miyota
Rolex
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Counter-Clockwise Automatic Winding
Regulators
Microstella
Production Periods
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Citizen Parashock
Elastor
Jewels
21
27
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 4:30
-Balance at 6:00
Central Rotor
Rolex 3000 Family
Miyota 8205
Miyota 8215
Rolex 3035
Rolex 3055
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