Grail Watch Reference
A Reference Library for Watches from Grail Watch
Movement Database
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About Grail Watch
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Complications
Date
-Date by Pointer
-Instant Date Change
-Quick Date Correction
Day
-Day by Pointer
-Quick Day Correction
Hacking Seconds
Hand Winding
Power Reserve Indicator
Hands
Power Reserve Pointer at 9:00
Brand
Blancpain
Kenissi
-Tudor
Seiko
-Seiko Instruments Inc.
--Time Module Inc.
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Hand winding
Two Barrel
Regulators
ETACHRON
Variable Inertia Blocks
Production Periods
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Diashock
Jewels
23
28
29
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 3:00
-Balance at 7:30
-Barrel at 1:30
-Barrel at 10:30
Central Rotor
BP 11C5
MT5621
Seiko 6R21
Seiko 6R27
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