Men's Michael Kors Watch Merrick MK8638 Chronograph, Model number: MK8638, Category: Michael Kors Watches. Buy Michael Kors Watch MK8638 at discounted price. Men's Michael Kors Watch Merrick MK8638 Chronograph is a Michael Kors product and it's selected according to high standards of quality and offered at discounted price. 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.