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Union U-7750 User Manual

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Technical specifications

• Mechanical movement chronograph U 7750 with
automatic winding and day and date indicator
• Number of jewels: 25
• 28,800 vibrations/hour (4 Hz)
• Power reserve: Approx 46 hours

Display / Functions

1 Hour hand
2 Minute hand
3 Small seconds hand
www.union-glashuette.com
U-7750
User's manual
4 Day and date indicator
5 Central 60 second hand (chronograph)
6 30 minute counter (chronograph)
7 12 hour counter (chronograph)
8 Tachymeter scale
9 Start/Stop push-button (chronograph)
10 Reset push-button (chronograph)
11 3 position crown
I
II Day and date setting position
III Time setting position, with stop second and midnight
1/3
DEUTSCHE UHRMACHERKUNST.1893
Rest and winding position
date and day change
U-7750_EN / 2013

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Summary of Contents for Union U-7750

  • Page 1: Technical Specifications

    U-7750 User’s manual Technical specifications 4 Day and date indicator 5 Central 60 second hand (chronograph) • Mechanical movement chronograph U 7750 with 6 30 minute counter (chronograph) automatic winding and day and date indicator 7 12 hour counter (chronograph) • Number of jewels: 25 8 Tachymeter scale • 28,800 vibrations/hour (4 Hz)

  • Page 2: Setting The Time

    At the signal, push the crown back To ensure perfect and accurate running for many years to into the rest position I. come, we recommend you attentively follow the advice given in these instructions. Day and date correction We hope you will be ver y pleased with your UNION GLASHÜTTE/SA. timepiece ! ® Crown in position II, intermediate Pull the crown out to position II, turn it forwards to set the date or backwards to set the desired day and then push it back into the rest position I.

  • Page 3: Care And Maintenance

    U-7750 Water resistance precautions Notes The 12 hour counter (7) has an area with alternating col- Your watch is water resistant but, following a shock, it may ours (black/white) indicating every half hour, matching the lose its water resistance without you realising. Water resist- outer numerals (0 to 30 minutes) and inner numerals (30 to ance must be checked up during its scheduled inspection.

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