Diesel Crusher DZ1901 Quartz Men's WatchDiesel Crusher DZ1901 Quartz Men's Watch Add a high tech, signature style with the Diesel Crusher to your active wear. It helps not to be a lazy person. The digits reflect surrounding light and are very easy to read while at night, the backlight illuminates the face plenty for a clear read. The watch is very light weight and doesn't hinder arm movements; especially, while in action.