Lot Essay
The Heuer reference 73663 is called “Siffert Colours” by some collectors because its aesthetical aspect featuring blue chronograph hand and blue indexes is resembling to the true “Siffert” Autavia reference 1163T. The present reference could be considered as more appealing due to its very popular “Panda” dial style including the three black registers contrasting on a white matte dial. This colour combination enhanced on a steel Autavia tonneau-shaped masculine case perfectly reflects the car racing shades and atmosphere and from the 70’s.