A limited number of you are worth collecting it

The button at 1 or 2 o 'clock is the alarm button, but when you use the alarm, you need to manually wind the alarm first, turn the crown counterclockwise, and you can set the alarm time.

2, 4 o 'clock position is the adjustment time, because this watch is a manual movement, so you need to manually wind the watch every day to maintain the power of the watch

3, 7 o 'clock position for the world time crown, if you need to adjust it, you need to screw out the crown first.