Grail Watch Reference
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Complications
Chronograph
-2-Button
-Column Wheel Chronograph
--5-Column Chronograph
--6-Column Chronograph
--8-Column Chronograph
-Horizontal Clutch Chronograph
-Monopusher Chronograph
Date
-Date by Pointer
Day
Hacking Seconds
Hand Winding
Month
Power Reserve Indicator
Regulator
Tourbillon
-Flying Tourbillon
Year
Hands
Open Heart at 6:00
Brand
A. Lange & Söhne
Audemars Piguet
Bulgari
Chronoswiss
Progress
Soprod
Tianjin
-Sea-Gull
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Peripheral Automatic Winding
-Uni-Directional Automatic Winding
--Counter-Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
ETACHRON
Gyromax
Microstella
Screw Regulator
Screwed Balance
Screwed Mobile Stud
Soprod
Production Periods
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
11
13
20
23
24
25
26
27
28
29
30
52
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Counter-Clockwise
Back-Side Features
3/4 Plate
-Barrel at 1:30
-Barrel at 12:00
-Barrel at 3:00
Central Rotor
-Column Wheel at 6:00
-Column Wheel at 7:30
-Tourbillon at 6:00
AP 2889
AP 2924
BVL 268
BVL 288
BVL 388
Chronoswiss C.125
L102.1
Progress 6361
Soprod C145
Soprod M100 Balancier Visible
ST2503
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