Women's Michael Kors Watch Maci MK4451, Model number: MK4451, Category: Michael Kors Watches. Buy Michael Kors Watch MK4451 at discounted price. Women's Michael Kors Watch Maci MK4451 is a Michael Kors 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