Grail Watch Reference
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Complications
24 Hour Hand
Chronograph
-2-Button
-Column Wheel Chronograph
--5-Column Chronograph
--6-Column Chronograph
--8-Column Chronograph
--9-Column Chronograph
-Flyback Chronograph
-Horizontal Clutch Chronograph
-Monopusher Chronograph
-Split Seconds Chronograph
Date
-Quick Date Correction
GMT Hand
-Independently-Adjustable 24 Hour Hand
Tourbillon
Hands
12 Hour Chronograph Hand at 3:00
24 Hour Hand at 3:00
30 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 6:00
30 Minute Chronograph Hand at 9:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Split Second Chronograph Hand
Date Window at 4:30
Date Window at 6:00
Open Heart at 6:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
A. Lange & Söhne
Audemars Piguet
Bulgari
-Valjoux
Winding
Automatic
-Central Rotor Automatic Winding
-Peripheral Automatic Winding
Hand winding
Regulators
Screwed Balance
Swan Neck Regulator
Production Periods
1910s
1920s
1930s
1940s
1950s
1960s
1970s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
36
37
40
52
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
Back-Side Features
-Column Wheel at 7:30
AP 4401
BVL 318
BVL 388
L1924
Valjoux 237
Valjoux 25 SRV
Valjoux 61 VBB
Valjoux 69 DX
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