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Citizen Quartz E870 User Manual

Citizen Quartz E870
58 pages
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Citizen Quartz E870 Specifications

General IconGeneral
MovementQuartz
CaliberE870
Case MaterialStainless Steel
Band MaterialStainless Steel
Water Resistance100 meters
Dial ColorBlack
CrystalMineral Crystal
Display TypeAnalog
FeaturesDay/Date

Summary

§1. OUTLINE

§2. SPECIFICATIONS

§3. BEFORE USING

CAUTION - Charging Precautions

Advice on how to charge the watch safely and effectively.

§4. NAMES OF COMPONENTS

§5. HAND REFERENCE POSITION CHECK AND CORRECTION

[Reference Position Check]

Steps to verify if watch hands are in their correct reference positions.

[Correct Reference Positions of Each Hand]

Defines the expected reference positions for all watch hands and date.

[Reference Position Correction]

Detailed steps to adjust watch hands and date to their correct reference positions.

§6. SWITCHING THE MODE (DISPLAY FUNCTION)

§7. SETTING THE TIME

§8. SETTING THE DATE

§9. USING THE ALARM

§11. FUNCTIONS UNIQUE TO SOLAR-POWERED WATCHES

§12. GENERAL REFERENCE FOR CHARGING TIMES

§13. SOLAR-POWERED WATCH HANDLING PRECAUTIONS

CAUTION - Charging Precautions

Specific warnings and advice regarding charging the watch.

CAUTION - Handling of Secondary Battery

Warnings about handling the watch's secondary battery.

§15. ALL-RESET

[All-Reset Procedure]

Step-by-step guide for performing the all-reset function.

§16. PRECAUTIONS FOR DISASSEMBLY AND ASSEMBLY

[How to Pull Out Setting Stem from One-piece Case]

Instructions for removing the setting stem from the watch case.

§17. DISASSEMBLY AND ASSEMBLY OF MOVEMENT

§18. TROUBLESHOOTING AND ADJUSTMENT METHOD

1. Measurement of secondary battery voltage

Checks the voltage of the secondary battery for proper function.

2. Confirmation of output signal

Verifies the output signals from the electronic circuit for proper operation.

3. Check of connection parts

Inspects connection points for any issues affecting signal transmission.

4. Measurement of coil resistance

Measures the resistance of the coil to ensure it is within specifications.

6 Check of dial side mechanism

7 Check of solar cell

8 Measurement of current consumption

9 Measurement of time rate

10 Check of alarm mechanism

13 Check of train wheel of chronograph

14 Measurement of coil resistance of chronograph

15 Check of calendar mechanism

16 Confirmation of using condition

17 Check of appearance and function

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