In the 30s, Hélène Arpels, model in vogue and wife of Louis Arpels, also known as Ludo, wore these marvellous soft-knit bracelets over her gloves. Their sophisticated mechanism seduces the audience: by pressing on the two hemispheres, the watch or bracelet reveals its hidden treasure. Reinterpreted this year in a softened version, this enigmatic watch delighted us during its presentation at the Watch and Wonders exhibition in Geneva. Leaving us wondering why secret watches are almost exclusively reserved for women…