Omega Chronostop

Click on pic to enlarge. A few Pictures of your watch getting stripped for a Service.

you can see the dirt on the movement.

Omega Chronostop Wrist watch. These watches have a single pusher for the stop watch function.

If you press the pusher once to start the stopwatch, then press it again to stop and re-set the hand to zero.

So Great for keeping time for 1 minute. or you can count the minutes.