This document is a user manual for the MA1007-CkA watch, which explains how to set the date, week, and use the stopwatch function. It also provides steps for adjusting the position of the stopwatch hands and setting the time.
This manual explains how to operate the Omega 4358/5009 watch. It covers setting the date and day of the week, adjusting the time, using and resetting the stopwatch, and provides safety notes for crown handling.
The specifications section lists accuracy, battery type, and stopwatch measurement limits, helping owners understand the watch’s performance and maintenance requirements. This manual is written in Chinese.
| Accuracy (room temperature) | ±20 seconds per month |
|---|---|
| Battery type | Silver‑oxide (SR626SW) |
| Battery life (approx.) | 2 years (assuming 60 min daily stopwatch use) |
| Stopwatch measurement limit | 59 min 59 sec |
| Stopwatch measurement unit | 1 second |
| Stopwatch mode | Elapsed time |
Press the B button to reset the stopwatch.
It uses one silver‑oxide battery, model SR626SW.
The watch maintains an accuracy of ±20 seconds per month at room temperature.