PLACE rack in lower third of oven; heat oven to 425 degrees F. Combine sweetened condensed milk and cinnamon in large bowl. Add eggs, water and fruits; mix well. Pour into pie crust.
COMBINE sugar and flour in medium bowl; cut in butter with pastry blender or 2 knives until mixture resembles coarse crumbs. Add nuts. Sprinkle over pie. Bake 10 minutes.
REDUCE oven temperature to 375 degrees F; bake an additional 30 to 40 minutes or until golden brown. Cool.