Yugster offers the Crayo Slice of Time Watch in eight styles (Blueberries pictured) for $19.97. Coupon code "FreeYugBuck" cuts it to $18.97. With free shipping, that's the lowest total price we could find by $116. It features a pie pattern dial, utensil time markers, Japanese quartz movement, suede strap, and water resistance to 100 feet.
Note: The countdown timer on the product page does not reflect an actual expiration time and resets daily.