A monopusher is a specific kind of chronograph, where only one button is used to start the timing, to stop it, and to reset the chrono hand to the “0” position (normally 12 o’clock). For many years, chronograph complications on pocket watches (and later, wrist watches) used a single operating pusher to perform three tasks. In order for a single pusher to do three things, it merely cycled through starting, stopping,.. Read More