Preheat oven to 200°C.
Sift the flour, whole-wheat flour and salt together.
Add crushed wheat and bran left behind in sieve.
Add yeast, sugar, seeds and nuts to flour mixture.
Add butter and water to the dry ingredients and mix well.
Spoon mixture into two well-greased 23 cm loaf tins and sprinkle with seeds.
Cover lightly with a damp towel and leave to rise in a warm place for 20 - 30 minutes.
Bake for 1 hour.
Turn out onto a wire rack to cool completely.