This manual provides instructions on how to use the Seiko automatic mechanical watch 5R66 and 5R67 models, including how to wind the watch, set the time and date, and set the moon phase.
This manual provides step‑by‑step instructions for setting the time and date, winding the mainspring, and caring for the Citizen 901 automatic mechanical watch. It also explains safety precautions and the watch's water‑resistance features.
The document includes a specifications table, maintenance guidelines, and details on the watch's accuracy, power reserve, and operating temperature range. This manual is written in Chinese.
| Type | Automatic Mechanical Watch |
|---|---|
| Accuracy | -10 s to +30 s per day |
| Operating Temperature | -10 °C to 60 °C |
| Power Reserve | ≈42 hours |
| Frequency | 28,800 vibrations per hour |
| Display Functions | Hours, minutes, seconds |
When the hands point between 8 PM and 2 AM, avoid steps 1 and 2; otherwise rotate the crown to the correct position and adjust the date and time as described.
A fully wound mainspring provides about 42 hours of operation.
Rotate the crown clockwise to position 4; when the watch is stopped, turn the crown about 40 times to fully wind it.