Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
Date
-Instant Date Change
-Quick Date Correction
Day
-Outer Day Wheel
-Quick Day Correction
Hacking Seconds
Hand Winding
Power Reserve Indicator
Hands
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Date Window at 4:30
Day Window at 12:00
Open Heart at 10:00
Power Reserve Pointer at 1:00
Power Reserve Pointer at 9:30
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
Rolex
Seiko
-Credor
-Daini Seikosha
-Shizukuishi Watch Studio
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Seiko Magic Lever Winding
Hand winding
Regulators
Microstella
Screw Regulator
Production Periods
1990s
2000s
2010s
Frequency
28,800 A/h
Anti-Shock
Diashock
Paraflex
Jewels
26
27
31
38
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 4:30
-Balance at 6:00
-Barrel at 12:00
-Barrel at 7:30
Central Rotor
Seiko 4S Family
Rolex 3156
Seiko 4S79
Seiko 8L38
Zenith 681
Zenith 685
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