Grail Watch Reference
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Complications
24 Hour Hand
Chronograph
-2-Button
-Column Wheel Chronograph
--6-Column Chronograph
Date
-Big Date
-Quick Date Correction
-Semi-Instantaneous Date Change
Hacking Seconds
Regulator
Hands
12 Hour Chronograph Hand at 9:00
24 Hour Hand at 9:00
30 Minute Chronograph Hand at 3:00
Big Date at 12:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Hour Hand at 3:00
Small Seconds Hand at 6:00
Brand
Audemars Piguet
Chronoswiss
ETA
Frédéric Piguet
Vacheron Constantin
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
--Counter-Clockwise Automatic Winding
Hand winding
Regulators
ETACHRON
Screwed Mobile Stud
Variable Inertia Blocks
Production Periods
1990s
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
21
27
37
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 10:30
-Balance at 12:00
Central Rotor
Column Wheel
-Column Wheel at 1:30
AP 3090
Chronoswiss C.123
ETA 2895-1
ETA 2895-2
VC 1137
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