Check out this awesome Diesel Mega Chief DZ4343 Chronograph watch designed for men. It features a 59 mm black round dial set in a 12 mm thick stainless - steel case. The watch has a chronograph display type and a quartz movement. It comes with a date function on the calendar. With a water resistance of 100 meters, it's perfect for long - term water exposure like professional boating or extended swimming. The brown leather strap, 26 mm wide, is fastened with a buckle. It's a stylish and durable timepiece that combines functionality with a great look.

Using this Diesel watch is easy. Just set the time and date according to your needs. The chronograph function can be used to time events - press the buttons on the side to start, stop, and reset. When it comes to water, it can handle long periods in water, but don't take it for deep - sea diving. For maintenance, clean the watch regularly with a soft, dry cloth. Avoid exposing it to extreme temperatures or chemicals. If the watch stops working, it might be time to change the quartz battery. You can have it replaced by a professional watchmaker.