Heuer manufactured LeJour chronographs under a private-label arrangement. The following dealer catalog, dated June 1980, offers the line of LeJours as an alternative to the Heuers. For example, the LeJour model 7203 is offered as the "exact same" watch as the Reference 750.501 (Pasadena), except that the Lejour sells for $265, against a list price of $300, while this dealer offers the Heuer Pasadena for $295, compared with a list price of $354.
