JOKER The Joker is your ace in the hole; the Joker changes his face but always makes you smile. The Joker perks your mood whenever you look at the watch to tell the time. This unique piece was created by Konstantin Chaykin especially for Only Watch. It has a zirconium case, bright red dial ring and grey ‘face’ made of ruthenium and silver. Also this model has a special engraving on its case back.