1/9 - winding crown
The winding crown is used to set the time and date and to wind the watch if it has not been worn. The winding is screwed down onto the case to ensure water resistance. It must be fully tightened after each manipulation.
2/9 - Hour and minute hands
The hands on the watch which indicate the time.
3/9 - Date window
Displays the current date.
4/9 - 60 seconds counter
The hand on the watch which indicates the seconds.
5/9 - The centre seconds hand
This hand measures times to fractions of a second with the chronographe function, or indicate the number of units per hour on the tachymeter scale.
6/9 - 45-Minutes counter
This counter indicates the elapsed minutes.
7/9 - Start/stop pusher
Pressing the start/stop pusher a first time will start the chronograph, pressing it again will stop the chronograph.
8/9 - reset pusher
This button resets the chronograph seconds hand and counters to zero.
9/9 - Bezel
The bezel on your watch has a tachymeter function used to measure a speed or a flow rate using the chronograph function with the desired unit of measurement.