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).

Examples of monopusher chronographs

• Montblanc Star Nicolas Rieussec Monopusher Chronograph
• Blancpain Villeret Chronographe Monopoussoir
• Cartier Rotonde de Cartier Tourbillon Monopusher Chronograph
• Patek Philippe Triple Complication Ref. 5208P
• Panerai Luminor 1950 Ceramic 8 Days Chrono Monopulsante GMT

• Pusher