Tag Heuer automatic mvoement watch
Details
translation:
The first crown is for week.
The third crown is for month.
If you want to adjust the time,just pull the second crown out.
And the small dial which closed 6 o'clock is for 24 hours.
Now, press the second crown in and then pull it a half out, then you can adjust the date.
If you pull it full out, you an adjust the time.