IWC Yellow Gold Dress Watch Double Signed Türler ref 600This a very cool and rare IWC that features a Trler double signed dial. Established in 1883 in Bielle, Switzerland, by brothers Csar Alexander and Jean Henri Trler, Trler opened its inaugural store in 1907. Over the decades, Trler expanded its reach across Europe and gained recognition for providing watches to influential figures, such as Sir Winston Churchill, with co branded offerings from renowned maisons like Vacheron Constantin, Jaeger LeCoultre,