Burger King: FREE Seattle’s Best Coffee Every Friday MorningNovember 2, 2010 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. Burger King is offering up a FREE 12oz cup of Seattle’s Best Coffee every Friday in November during breakfast hours, no purchase necessary! This is only valid at participating restaurants.No purchase necessary, One per customer per visit during breakfast hours only. While supplies last. Not valid on flavored shots or whipped topping.Thanks, Mojo Savings!