ChronoShark.com offers the Seiko Men’s Kinetic Collection Watch, model no. SKA420, for $109. Coupon code “3DEALNEWS3″ cuts it to $106. The movement of your wrist builds up an electrical charge within the watch, which is then used to power the timepiece. Other features include jet-black dial, date display window, gunmetal stainless steel bracelet, water resistance to 165 feet, and more. Today Only.