In the 1960's, Heuer manufactured chronographs that were styled similarly to the Carrera, and sold under the "Clebar", "Zodiac" and "Tradition" names. These chronographs sell for considerable less than the comparable Heuer Carreras, but certainly survive the initial glance as looking exactly like the more expensive Heuers. Dials are very similar; movements are by Valjoux; the real differences are in the cases, as shown in the comparisons section.