This manual introduces the operation of the 7764 series watches. The watch has two functions, ordinary 3 pointers and world time.
This manual describes the features of the Citizen 7764 analog quartz watch, including its dual‑zone time display, battery‑life forecast, and water‑resistance ratings. It provides step‑by‑step instructions for adjusting local time, setting the secondary time zone, and interpreting the battery‑life indicator.
Additional sections cover proper handling, cleaning methods for different strap materials, night‑light usage, and safety warnings such as avoiding water exposure beyond the rated pressure, magnetic fields, and extreme temperatures. The specifications at the end summarize the movement, accuracy, temperature range, and power requirements. This manual is written in Chinese.
| Movement model | 7764 |
|---|---|
| Quartz vibration frequency | 32768 Hz |
| Average monthly accuracy | ±15 seconds |
| Operating temperature range | -10 °C to +60 °C |
| Display functions | hour, minute, second, dual‑zone time, AM/PM indicator |
| Battery type | SR626SW |
| Battery life | approx. 2 years |
Pull out the crown (柄头), rotate it to set the hour and minute hands to the current time, then push the crown back in to lock.
With the crown in its normal position, press the A or B button; each press moves the secondary minute hand by one minute, hold the button for rapid adjustment.
When the seconds hand jumps two seconds at a time, the battery is nearing the end of its life and should be replaced promptly.