Brand comparisons usually run on opinion. This one runs on settled transactions: 779 recorded sales of Breguet and 723 of Jaeger-LeCoultre, all in US dollars so the figures are directly comparable.
What each one actually costs
The median Breguet result is $11,000. The median Jaeger-LeCoultre result is $5,980. On typical examples, Breguet carries roughly 1.8 times the price of Jaeger-LeCoultre at auction.
Half of all Breguet sales land between $5,310 and $18,750. For Jaeger-LeCoultre the middle half runs $2,760 to $10,800.
Which one surprises the specialists
43% of Breguet lots beat their high estimate, against 58% for Jaeger-LeCoultre. That gap says the trade is more often caught out by Jaeger-LeCoultre, which is a sign of demand outrunning the published guide.
Breadth of the record
Our archive covers 174 distinct Breguet references and 207 for Jaeger-LeCoultre, with results going back to 2001 and 2001 respectively. The top recorded result is $470,000 for Breguet and $314,500 for Jaeger-LeCoultre.
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.