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www.union-glashuette.com

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

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