Watch Marketing And Maintenance » Jaeger-LeCoultre

Jaeger-LeCoultre and Breguet — the watchmakers’ watchmakers. JLC invented the Atmos clock and Calibre 101. Breguet invented the tourbillon. A collector’s guide to two of the most historically significant watch brands in history.

The 1979 Swiss watch classification — Tier One Third Class to Tier Two Second Class. Covers JLC, Tissot, Tudor, Hamilton, Zenith, Bulova and more with modern collector context.