Brand comparisons usually run on opinion. This one runs on settled transactions: 1,599 recorded sales of Cartier and 144 of Roger Dubuis, all in US dollars so the figures are directly comparable.
What each one actually costs
The median Cartier result is $6,875. The median Roger Dubuis result is $10,752. On typical examples, Roger Dubuis carries roughly 1.6 times the price of Cartier at auction.
Half of all Cartier sales land between $3,250 and $15,360. For Roger Dubuis the middle half runs $7,200 to $19,550.
Which one surprises the specialists
51% of Cartier lots beat their high estimate, against 41% for Roger Dubuis. That gap says the trade is more often caught out by Cartier, which is a sign of demand outrunning the published guide.
Breadth of the record
Our archive covers 436 distinct Cartier references and 31 for Roger Dubuis, with results going back to 2001 and 2004 respectively. The top recorded result is $1,654,276 for Cartier and $92,000 for Roger Dubuis.
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.