Grail Watch Reference
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Complications
Chronograph
-2-Button
-Column Wheel Chronograph
--6-Column Chronograph
-Vertical Clutch Chronograph
Date
-Instant Date Change
-Quick Date Correction
Day/Night Indicator
Hacking Seconds
Hand Winding
Power Reserve Indicator
World Time
Hands
12 Hour Chronograph Hand at 6:00
30 Minute Chronograph Hand at 3:00
45 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Date Window at 4:30
Date Window at 6:00
Open Heart at 10:00
Power Reserve Pointer at 1:00
Power Reserve Pointer at 3:00
Small Seconds Hand at 9:00
Brand
Breitling
-Tudor
Seiko
-Credor
-Grand Seiko
-Shizukuishi Watch Studio
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Regulators
Screw Regulator
Variable Inertia Blocks
Production Periods
2000s
2010s
2020s
Frequency
28,800 A/h
43,200 A/h
Anti-Shock
Diashock
Jewels
41
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 4:30
-Barrel at 7:30
Central Rotor
-Column Wheel at 10:30
B01
MT5813
Seiko 8L88
Seiko 9S67
Zenith 687
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