Men's Diesel Watch Mega Chief DZ4478 Chronograph, Model number: DZ4478, Category: Diesel Watches. Buy Diesel Watch DZ4478 at discounted price. Men's Diesel Watch Mega Chief DZ4478 Chronograph is a Diesel product. The refinement of the materials that compose the case and the strap, the care of workmanship of the glass, the details of the dial, the quality of the movement, the unique and unmistakable design, make this wristwatch an indispensable item to personalize your style.