Mondaine Watch Helvetica No1 Light MH1.L1111.SM. Pure festive elegance comes in the shape of the new Mondaine Helvetica Light No1 Holiday Edition. The discreet white dial with fine black hour and minute markers is warmed by the gold-plated matt-finished case and its partnering gold Milanese mesh strap. Designed for those with an eye for detail, the timepieces are simply effortless to wear.