Timing to 1/5 second. 

Timing up to 30 minutes. 

Timing telephone conversations. 

Timing up to 12 hours. 

Indicating the date. 

Indicating the day of the week. 

Indicating the month. 

Indicating the phases of the moon (M). 

The moon-phase disc moves automatically. It is set by full pressure on the pusher K, which in this case is a double-action pusher. 

The calendar and moon-phase mechanism are usually set by means of pushers on the side of the case. However, as there is no standard arrangement of their positions and corresponding functions, they are not necessarily the same as those shown above.