Grail Watch Reference
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Complications
Alarm
Chronograph
-2-Button
-Cam Switching Chronograph
-Column Wheel Chronograph
--9-Column Chronograph
Date
-Quick Date Correction
Day
-Quick Day Correction
Hacking Seconds
Month
-Quick Month Correction
Hands
12 Hour Chronograph Hand at 6:00
30 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Date Pointer
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 4:30
Day Window at 11:30
Lépine Small Seconds Hand
Month Window at 12:30
Small Seconds Hand at 9:00
Brand
A. Schild
ETA
-Valgranges
-Valjoux
Tianjin
-Sea-Gull
Winding
Automatic
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
ETACHRON
Indexed
Valjoux
Production Periods
1950s
1960s
1970s
2000s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
24
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:00
-Balance at 3:00
-Barrel at 6:00
Central Rotor
Column Wheel
-Column Wheel at 6:00
AS 1475
ST3600
Valgranges A07.231
Valgranges A07.L01
Valjoux 726
Valjoux 730
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