ALL CIRCA 1993 " /> ALL CIRCA 1993 " /> IWC, Silberstein and Mauboussin. A lot of four lady's stainless steel, ceramic, 18K yellow and white gold wristwatches , SIGNED IWC, SCHAFFHAUSEN, REF. 3730, MOVEMENT NO. 2'420'104, CASE NO. 2'421'111; "MICRO" AUTOMATIQUE, CASE NO. 092/999, REF. 64680, NO. 259G, REF. 63683, NO. 101; <I>ALL</I> CIRCA 1993 | Christie's