The article gives an historical overview of Filcams bargaining intervention on working time from the 70s to today’s challenges. In all the various phases, the sector’s structural and organisational situation and the aspirations of the workers (in prevalence female) have played a crucial part in the proceedings. The «negotiated» flexibility on working time, its distribution over the week, month and year becomes the main instrument to respond to various requirements and to contrast through negotiation the use of work precariousness. In this perspective the experimentation of working time self-management is a coherent evolution and represents a new frontier.only subscribers can see the full article