Melt the butter in a heavy pan over low heat.  Then add sugar and stir until the sugar dissolves.   Then add the water and syrup and continue cooking until the temperature reaches 294 degrees.  Stir in 1 1/3 cups chopped walnuts and pour immediately into two large buttered cake pans.  Let set about 7 minutes and pour 1 package of chocolate chips over both pans, when melted, spread evenly and sprinkle remaining nuts over this.   Cool and it's ready to eat!