The Diesel DZ4309 Mega Chief Chronograph is a stylish men's watch. It features a chronograph display type with a quartz movement. The watch has a date function calendar. With a water resistance of 100 meters, it's great for long - term water exposure like professional diving or long - hour swimming. The round dial is black in color. The case is made of stainless steel, with a diameter of 59mm and a thickness of 12mm. The black stainless - steel bracelet band is 26mm wide and uses a deployment clasp.

Using your Diesel DZ4309 Mega Chief Chronograph is easy. To set the time and date, simply pull out the crown on the side of the watch and turn it. For the chronograph function, press the buttons on the side. When using it in water, make sure the crown is pushed in properly to maintain water resistance. Avoid exposing the watch to extreme temperatures or strong magnetic fields. To keep it looking great, clean the watch regularly with a soft, dry cloth. If you notice any problems, it's best to take it to a professional watch repairer.