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Complications
Chronograph
-2-Button
-Column Wheel Chronograph
--6-Column Chronograph
--9-Column Chronograph
-Monopusher Chronograph
-Split Seconds Chronograph
Date
-Date by Pointer
Day
Month
Hands
30 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Date Pointer
Central Hour Hand
Central Minute Hand
Central Split Second Chronograph Hand
Day Window at 11:30
Month Window at 12:30
Small Seconds Hand at 9:00
Brand
-Valjoux
Martel
Universal
Winding
Hand winding
Regulators
Indexed
Production Periods
1910s
1920s
1930s
1940s
1950s
1960s
1970s
Frequency
18,000 A/h
Anti-Shock
Jewels
15
17
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 12:00
Column Wheel
-Column Wheel at 6:00
-Column Wheel at 7:30
Valjoux 23/72 Family
Universal 6:00 Monopusher
Valjoux 23 VZ
Valjoux 23C
Valjoux 24 KV
Valjoux 25 SRV
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