In a small bowl, combine the water, coffee and 1 t. cinnamon; set aside. In a small saucepan, bring cream just to a boil. Remove from the heat; whisk in the chocolate and butter until smooth. Stir in coffee mixture. Press plastic wrap onto surface. Refrigerate for 1 hour or until easy to handle.
In a small bowl, combine sugar and remaining cinnamon. Shape chocolate into 1 inch balls; roll in cinnamon-sugar. Refrigerate for at least 2 hours or until firm.