Watch Marketing And Maintenance

The final instalment of the 1979 Swiss watch classification series — Tier Three brands including Girard-Perregaux, Heuer, DOXA, Eberhard, Ernest Borel and Alpina, with modern collector context.

The 1979 official Swiss watch classification system — Rolex and IWC at Tier One First Class, Longines and Omega at Tier One Second Class. A collector's essential historical reference.

A complete guide to watch repair professional standards — professional ethics, the Three-Guarantee consumer protection policy, Quality Law obligations, performance fault definitions, and the full watch inspection checklist.