Grail Watch Reference
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Complications
Chronograph
-2-Button
-Column Wheel Chronograph
--6-Column Chronograph
--8-Column Chronograph
-Flyback Chronograph
-Monopusher Chronograph
-Vertical Clutch Chronograph
Date
-Instant Date Change
-Quick Date Correction
Repeater
-Minute Repeater
Hands
12 Hour Chronograph Hand at 6:00
30 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Date Window at 3:00
Date Window at 4:30
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
A. Lange & Söhne
Audemars Piguet
Breitling
Bulgari
Jaeger-LeCoultre
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Hand winding
Regulators
Gyromax
Screwed Balance
Swan Neck Regulator
Production Periods
1960s
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
19,800 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Elastor
Incabloc Double-Cone
Jewels
36
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 3:00
-Balance at 4:30
-Balance at 6:00
-Barrel at 12:00
-Barrel at 7:30
Central Rotor
-Column Wheel at 10:30
-Column Wheel at 7:30
AP 2120
AP 2121
B01
BVL 362
L1924
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