Peter: If you're talking about what we presented under the designation FC935SzABS4H9 in September 2008, I would agree. It was unique because in addition to its silicium escapewheel, it also had a totally innovative balance made from a glassceramic substance called “zerodur.” I believe this was unprecedented in watchmaking history. Aletta: That watch was sold at the “One of a Kind” charity auction in Monte Carlo. (1) No Fields Found.