Using this Diesel watch is easy. Just pull out the crown to set the time and date. The chronograph function can be operated with the pushers on the side of the watch. To start the stopwatch, press the top pusher; to stop it, press the same pusher again; and to reset it, press the bottom pusher. When it comes to maintenance, keep the watch away from water as much as possible, especially when it's not specifically designed for high - water resistance. Wipe it with a soft, dry cloth regularly to keep it clean and shiny. Avoid hitting the watch against hard objects to prevent damage to the case and bracelet.