At the start of 1986, Heuer was just beginning to be known a TAG HEUER, with TAG standing for “Technique d’Avant Garde”, or Advanced Techniques. That year, the brand launched a new catalogue named “The Time for Action”. This catalogue was a buyer’s guide, written for professionals and amateurs, providing assistance in purchasing the right timing instrument. The catalogue featured different instruments with various timing functions. In the first year, watches still carried the sole designation of Heuer. What is remarkable about the catalogue, is that on page 39, is an illustration of a chronograph that no one had ever seen before and still to this day very few are aware of, the Reference 510.547: 'Boxing'.

This automatic chronograph was specially designed to time a boxing match. The outer scale is graduated for 15 boxing rounds, with each round representing three minutes. These rounds are in black, separated with a green marker, which represents the one minute pause between each round.

This highly charismatic chronograph has a black PVD finish, which is described in the 1986 catalogue as 'matte black anti-reflective'.

This very specific sports watch is a true gem, presented today in mint condition still retaining its original sticker at the back with its original rectangular Heuer box. It is one of the only two known examples in the collecting community and a unique opportunity for the discerning collector.