Grail Watch Reference
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Complications
Chronograph
-2-Button
-Cam Switching Chronograph
-Column Wheel Chronograph
--7-Column Chronograph
--9-Column Chronograph
-Horizontal Clutch Chronograph
Date
-Quick Date Correction
Day
-Quick Day Correction
Month
-Quick Month Correction
Moon Phase
Hands
12 Hour Chronograph Hand at 6:00
15 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Date Pointer
Central Hour Hand
Central Minute Hand
Day Window at 11:30
Month Window at 12:30
Moon Phase Wheel at 6:00
Small Seconds Hand at 9:00
Brand
-Valjoux
Landeron
Vénus
Winding
Hand winding
Regulators
Indexed
Screwed Balance
Production Periods
1940s
1950s
1960s
1970s
Frequency
18,000 A/h
Anti-Shock
Jewels
17
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:00
Column Wheel
-Column Wheel at 4:30
-Column Wheel at 6:00
Landeron 51
Valjoux 88 VZHCL
Venus 178
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