Probably the most collected wristwatches made by the brand are the ones that feature enamel dial. Often ordered to the best artists of the time like Nelly Richard that were working for Stern at the time, these colourful and varied enamel dials were often made in very small production batches and often shared by Rolex, Patek Philippe, Eska and Universal. This scene representing two horses racing has never been offered at auction before.