Brand comparisons usually run on opinion. This one runs on settled transactions: 5,639 recorded sales of Rolex and 1,055 of Vacheron Constantin, all in US dollars so the figures are directly comparable.
What each one actually costs
The median Rolex result is $11,550. The median Vacheron Constantin result is $8,125. On typical examples, Rolex carries roughly 1.4 times the price of Vacheron Constantin at auction.
Half of all Rolex sales land between $4,680 and $27,500. For Vacheron Constantin the middle half runs $3,840 to $19,250.
Which one surprises the specialists
47% of Rolex lots beat their high estimate, against 46% for Vacheron Constantin. The two are closely matched, which suggests both are priced with similar confidence.
Breadth of the record
Our archive covers 758 distinct Rolex references and 314 for Vacheron Constantin, with results going back to 2001 and 2001 respectively. The top recorded result is $1,803,400 for Rolex and $1,762,500 for Vacheron Constantin.
What this does not tell you
A median is not a verdict. These brands overlap heavily at the edges, and a well chosen example of the cheaper one will outrun a poor example of the dearer one. Condition, completeness and model matter more than the badge on the dial.