The Heuer Autavia 73463 is a manual wind two register chronograph with date in classic 1970's Autavia case. Movement is Valjoux 7734. A number of dial variations where used with either black, white or silver base and contrasting or matching colour registers. Hour and minute hands also vary according to dial variant. Minute/hour or tachymeter rotating bezel, fluted pushers and Heuer signed crown are common to all examples.