IWC Schaffhausen, the famous Swiss watchmaker, is teaming up with the Tribeca Film Festival in New York for the third time. As the official "Festival-Time" partner, IWC is showing its love for the film industry. To support the festival and its nonprofit affiliate, Tribeca Film Institute, IWC will be auctioning off a unique timepiece - the Portofino Monopusher Edition "TRIBECA FILM FESTIVAL 2015" Unique Piece. This special watch introduces a new complication to IWC's collection. The online auction, held by Christie's, will take place from April 1 to April 10, 2015.