Using this Diesel DZ1997 Double Up watch is a breeze. Just adjust the silicone strap to fit your wrist comfortably. The watch has a straightforward design, so you can easily read the time. When it comes to care, avoid exposing the watch to extreme temperatures or chemicals. To clean it, simply use a soft, damp cloth to wipe the case and strap gently. Remember, while it has 30m water resistance, it's not suitable for diving or long - term submersion in water.