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U-7751 A
User’s manual
Technical specifications
• Mechanical movement chronograph U 7751 A with
automatic winding, day corrector at 10 o’clock and moon
phase
• Number of jewels: 25
• 28,800 vibrations/hour
• Power reserve: Approx 46 hours
Display / Functions
1
Hour hand
2
Minute hand
3
Small seconds hand
4
24 hour hand
5
Date indicator hand
6
Day indicator
7
Month indicator hand
8
Moon phase
9
Central 60 second hand (chronograph)
10
30 minute counter (chronograph)
11
12 hour counter (chronograph)
12
Start/Stop push-button (chronograph)
13
Reset push-button (chronograph)
14
3 position crown
I
Rest and winding position
II
Rapid date, month and moon phase correction
position
III
Time setting position, with stop second and
midnight date and day change
15
Corrector (rapid day correction)
www.union-glashuette.com
U-7751 A_EN / 2018