With orders of $25 or more, Amazon offers Prime members the Star Wars Kids' Digital Watch, model no. SWM3010, for $5.90 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $9.44.) That's tied with our January mention, $4 off list, and the lowest total price we could find. It features a stainless steel case, plastic bracelet, and quartz movement.
Note that this item is part of Amazon's "Add-on program" and can only be purchased with an order of $25 or more.