UNION GLASHÜTTE/SA U-7751 User Manual

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Technical specifications

• Mechanical movement chronograph U 7751 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

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U-7751

User's manual

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

III Time setting position, with stop second and

15 Corrector (rapid day correction)

1/1

Rest and winding position

Rapid date, month and moon phase correction

position

midnight date and day change

U-7751_EN / 2018

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Page 1 U-7751 User’s manual Technical specifications Display / Functions • Mechanical movement chronograph U 7751 with 1 Hour hand automatic winding, day corrector at 10 o’clock and 2 Minute hand moon phase 3 Small seconds hand • Number of jewels: 25 4 24 hour hand •...
Page 2 U-7751 Moon phase correction Crown in position II, intermediate Winding Pull the crown out to position II and turn it backwards to Crown in position I, not pulled out correct the moon position, referring to a lunar phase chart. Manual winding is necessary if you have not worn your Push the crown back into the rest position I.
Page 3 U-7751 CARE AND MAINTENANCE We would advise you to clean your watch regularly (except for the leather strap) using a soft cloth and lukewarm soapy water. After immersion in salt water, rinse the watch in fresh water and leave it to dry completely.